
KainPen |
"Pathfinder Design Team wrote:
FAQ updated:
Update 10/16/13: New ruling: You cannot use retraining to replace a base class level with a prestige class level. "
That make no sense, especial with a prestige class like the hell knight that is dependent on slay a Devil with hit dice greater then your own. that is witnessed by another hell knight.
I think that need to be reword, to you can't retrain any class level for Prestige class level in which would cause you to go below the normal requirements. or something like that example.
A 12th level Fighter could retrain 7 of his classes levels into hell knight levels thus making him level 5 fighter/7 hell knight. but if he tried to do level 4 fighter /8 hell knight it could not be done.
either that or all special requirement like the one in hell knight need to be removed.
You are basically saying if I don't manage to do this special requirement by level 10. There is no way of getting getting all 10 levels in the class. Thus losing out on the capstone for both your base class and the Prestige class.
That Nerfs the class even more then it already is as well as other Prestige class that require something special like this to take the class. This is complete dm control or just may not happen in the middle of a dungeon crawl.
What is a character supposed to do, in the middle of a dungeon, oh guys I can't do any more encounters or complete this quest. I will not be able to get all my levels in the Prestige class I want. If i gain any more xp, because I can't retrain. We either need to stop and run back to town find a hell knight or you guy are going to have to kill my character to make sure he does not get any more xp and bring his body out the dungeon bring him to a hell knight and have him raised so he can fight a devil in front of it.
That is ridiculous, especial for a class that is weaker then the base class already.
Maybe pathfinder should just get rid of Prestige classes, Make a new book fixing all of them and turning them into full level 20 archetypes of classes that already exist. Prestige classes are failed legacy thing remove them all together.

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LazarX wrote:Actually, in a lot of places an alternate wording may actually take up less space.Nefreet wrote:The Design Team needs to hire munchkins so that FAQ responses can be worded to handle every possible interpretation. This response is still full of glaring holes.A faq with a terrabyte or more amount of text within it kind of defeats the purpose.
You don't get it. There's no such thing as "every possible interpretation". No matter what you put up in rules, there will be somone making a corner argument. In fact the more text you put up, the greater the amount of corner arguments. You rapidly reach a point of inverse diminishing returns, when your text actually starts generating more arguments than it solves. Look how many multi-hundred post threads have been spawned out of a couple of added sentences!

BigDTBone |

LazarX wrote:Actually, in a lot of places an alternate wording may actually take up less space.Nefreet wrote:The Design Team needs to hire munchkins so that FAQ responses can be worded to handle every possible interpretation. This response is still full of glaring holes.A faq with a terrabyte or more amount of text within it kind of defeats the purpose.
Like this place. The new wording is 1 sentence and is far better than the paragraph that came before it.

BigDTBone |

Caedwyr wrote:You don't get it. There's no such thing as "every possible interpretation". No matter what you put up in rules, there will be somone making a corner argument. In fact the more text you put up, the greater the amount of corner arguments. You rapidly reach a point of inverse diminishing returns, when your text actually starts generating more arguments than it solves. Look how many multi-hundred post threads have been spawned out of a couple of added sentences!LazarX wrote:Actually, in a lot of places an alternate wording may actually take up less space.Nefreet wrote:The Design Team needs to hire munchkins so that FAQ responses can be worded to handle every possible interpretation. This response is still full of glaring holes.A faq with a terrabyte or more amount of text within it kind of defeats the purpose.
Which is why you use less words.

seebs |
deuxhero wrote:With retraining, you can have more languages than a character built from the ground up could haveCare to explain how? Keep in mind that when you gain a permanent increase to your intelligence modifier from leveling up or other means, you get to add a bonus language.
You do? I was not aware of this!

gustavo iglesias |

ike this place. The new wording is 1 sentence and is far better than the paragraph that came before it.
so true.
It also means that they understood what the problem was and addressed it directly, instead of doing convoluted rules for lot of other things and not addressing the problem. The whole "lets nerf free actions to everything because weapon cords are badly designed" come to mind.

gustavo iglesias |

Like I said, pick level X, rebuild from there along legal, level by level lines. No muss, no fuss, and no strange exceptions where things are done at levels you could not otherwise achieve them at.
Alas, it is just my fantasy (house-rule) and is not the FAQ. :)
- Gauss
That has a lot of fuss too. It forces you to keep notes of everything you took at each level, including skill popoints, which is a lot of book-keeping.
For example, let's say I'm a ranger 2, fighter 1, rogue 2, assassin 5. I have my 5 ranks in stealth. I want tp retrain one rogue level into fighter. Did I pay 1 rank of stealth per level? Or did I pay 5 ranks in my last rogue level?
Gauss |

Do you have enough skill points up through level 5 to meet your prerequisites? Yes? Then don't worry about it. However, if you had 4 skills that all had to be 5 ranks and there was not enough skill points to go around, then you have a problem.
In short, your example starts with 12(ranger) +2(fighter) +16(rogue) before assassin levels. Plenty of ranks for 2 Disguise and 5 Stealth.
It ends with 12(ranger) +4(fighter) +8(rogue) also before assassin levels. Also plenty of ranks for 2 disguise and 5 stealth.
Since you have plenty of ranks before and plenty after, don't worry about it. :)
My idea does not require recording when you got your skills, feats, etc. It does require you to be able to show that at each level you are a legal character after your changes.
Ie: Pretend you are building a level 10 character level by level. Make sure that each level is legal before proceeding to the next level.
Frankly, Im not sure why this is not the default method. Until the retraining rules it was pretty much a given that a level 10 character had to be legal at each level.
Note: HPs are an issue since there are no rules on what to subtract when you subtract Hit Dice. They need to provide support for that regardless because even under the current FAQ and rules, there is nothing to say how many HPs you subtract when you retrain a class level.
- Gauss

blahpers |

FAQ updated:
Update 10/16/13: New ruling: You cannot use retraining to replace a base class level with a prestige class level.
Oh good, now it's actually nerfed. This means that you can't replace a base class level with a prestige class level even if the base class level was irrelevant in qualifying for the prestige class.
Nice job breaking it, munchkins! : D

blahpers |
1 person marked this as a favorite. |

LazarX wrote:Which is why you use less words.Caedwyr wrote:You don't get it. There's no such thing as "every possible interpretation". No matter what you put up in rules, there will be somone making a corner argument. In fact the more text you put up, the greater the amount of corner arguments. You rapidly reach a point of inverse diminishing returns, when your text actually starts generating more arguments than it solves. Look how many multi-hundred post threads have been spawned out of a couple of added sentences!LazarX wrote:Actually, in a lot of places an alternate wording may actually take up less space.Nefreet wrote:The Design Team needs to hire munchkins so that FAQ responses can be worded to handle every possible interpretation. This response is still full of glaring holes.A faq with a terrabyte or more amount of text within it kind of defeats the purpose.
Admittedly, it's not easy to explain "No, you can't use circular dependencies on different prestige classes to get around the 'no retraining to make prestige class levels qualify for themselves' rule.". Which is probably why PDT threw their hands up earlier in this thread and went with "you know what? Fine! No retraining base class levels into prestige class levels at all. You happy now?"
I can't really blame them. English is a hell of a language.

Arakhor |

My idea does not require recording when you got your skills, feats, etc. It does require you to be able to show that at each level you are a legal character after your changes.
Ie: Pretend you are building a level 10 character level by level. Make sure that each level is legal before proceeding to the next level.
That is so obviously the most sensible way to do it, it shouldn't surprise you that 'corner cases' will crop up, because rules (apparently) aren't allowed to be simple and clear-cut. :(

RainyDayNinja RPG Superstar 2013 Top 16 |

FAQ: http://paizo.com/paizo/faq/v5748nruor1gn#v5748eaic9r9h
Retraining: Can I retrain a feat to replace it with a feat I didn't qualify for at the level I originally gained that feat?
Yes. As long as the new feat is a valid feat for your current character, you can retrain the old feat and replace it with the new feat.
For example, if you are a 3rd-level rogue who took Improved Initiative at 1st level, you can retrain that feat and replace it with Weapon Focus. Even though Weapon Focus has a prerequisite of "base attack bonus +1" (which means you couldn't take it as a 1st-level rogue), it is a valid feat for your current level (3rd), and is therefore a valid choice for retraining.
(Note: Likewise, the fighter class ability to retrain fighter bonus feats does not require you to meet all of the new feat's prerequisites at the level you originally gained the feat.)
Is it safe to assume this would apply to class features as well?
For instance, when my Alchemist reaches level 8, could he retrain a previous discovery into Fast Bombs, or something else that requires being level 8?

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Yeah but by doing that you end up nerfing your self even more. That if you can even qualify for another prestige class. Most Prestige classes require you to muti-class as it is.
Until Ultimate campaign came out, you were never allowed to switch base class levesl to prestige classes.
I have a hard time taking your compaints of this being a super nerf seriously. We all know that this is the way it was intended to work all along, and it's the way it's always worked. if you don't qualify for your prestige class by level 11, you won't get 10 levels in it by level 20.
Raving Dork - The origional FAQ answer didn't actually prevent you from boot strapping all your base class levels into prestige class levels. The new ruling prevents this in a fashion that can't be rules lawyered around in any way, shape or form.

KainPen |
Wait, what was so bad about the initial FAQ ruling and first clarification? The second clarification seems to be overstepping a bit.
I agree, as stated before by SKR Prestige classes are weak and need all the help they can get. This was the reasoning behind the Spell like ability FAQ for early access to them. There is nothing Prestigious about Prestige classes. They are weaker than all the base classes.
This ruling makes Prestige classes like the hell knight that have special conditions placed on them as a requirement to gain access to that class. It may take longer than 10 levels to accomplish that task. meaning that Prestige class is nerfed even more as you could never get full access to that Class.
Most games end at level 14 to 16 anyway. So odd are unless they managed to get this special requirement at done at level 5 they will never see but maybe 2 to 3 levels in the actual prestige class.
most of the times the lower level abilities could have been gotten from a level dip in a base class.
So as James Risner said above the only fix is take level in a prestige class you don't want that maybe you qualify for and retrain that at a later date. nerfing yourself even more for a long period of time, breaking your character concept. That if you even qualify for another Prestige class, if you don't and your whole build is based around one of these. you are screwed.

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Pathfinder Design Team wrote:FAQ: http://paizo.com/paizo/faq/v5748nruor1gn#v5748eaic9r9h
Retraining: Can I retrain a feat to replace it with a feat I didn't qualify for at the level I originally gained that feat?
Yes. As long as the new feat is a valid feat for your current character, you can retrain the old feat and replace it with the new feat.
For example, if you are a 3rd-level rogue who took Improved Initiative at 1st level, you can retrain that feat and replace it with Weapon Focus. Even though Weapon Focus has a prerequisite of "base attack bonus +1" (which means you couldn't take it as a 1st-level rogue), it is a valid feat for your current level (3rd), and is therefore a valid choice for retraining.
(Note: Likewise, the fighter class ability to retrain fighter bonus feats does not require you to meet all of the new feat's prerequisites at the level you originally gained the feat.)
Is it safe to assume this would apply to class features as well?
For instance, when my Alchemist reaches level 8, could he retrain a previous discovery into Fast Bombs, or something else that requires being level 8?
Hmmm, that would let you retrain all your ninja tricks to master tricks at level 10+

KainPen |
KainPen wrote:Yeah but by doing that you end up nerfing your self even more. That if you can even qualify for another prestige class. Most Prestige classes require you to muti-class as it is.Until Ultimate campaign came out, you were never allowed to switch base class levesl to prestige classes.
I have a hard time taking your compaints of this being a super nerf seriously. We all know that this is the way it was intended to work all along, and it's the way it's always worked. if you don't qualify for your prestige class by level 11, you won't get 10 levels in it by level 20.
Raving Dork - The origional FAQ answer didn't actually prevent you from boot strapping all your base class levels into prestige class levels. The new ruling prevents this in a fashion that can't be rules lawyered around in any way, shape or form.
Which is why I would have never played one before the book came out. not one with speical condtions. I would play others but not ones with condtions that you have no control over. the 2nd update on the faq stop the boot straping , the 3rd was completely uncalled for.
So I want to retrain my level 2 fighter/ 2 x barbain / 2 ranger to a level 3 Figher/2Ranger/2 Hell Knight. What is wrong with that nothing. All the requirments are met for hell knight. The 2nd statment in the faq stoped you from changing that above class 2 fighter/4 hell knight. Which was the intent of the retraining rule all a long.

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I think the common sense way to approach rebuilding rules is:
If you could have made this character from level 1 (without using the rebuilding rules) then the character is valid and can be rebuilt in this fashion.
Anything else is nonsense.
Well, apparently the Pathfinder Design Team is being nonsensical. Maybe you should go set them straight. ;)

Claxon |
1 person marked this as a favorite. |

Claxon wrote:Well, apparently the Pathfinder Design Team is being nonsensical. Maybe you should go set them straight. ;)I think the common sense way to approach rebuilding rules is:
If you could have made this character from level 1 (without using the rebuilding rules) then the character is valid and can be rebuilt in this fashion.
Anything else is nonsense.
I didn't really mean the design team. The original language of the restriction was clear enough that I understood the intent to be tantamount to what I stated. It has since, been FAQ'd into being very different from that original understanding. Now to the point where you can't retrain a base class level into a prestiege class level. I think this is really just due to frustration on the part of the rules team dealing with the few, but vocal, jerks that like to pop in and attempt to bend the rules in whatever way is most befitting to them.
To that end, I think frustration has gotten the better of the staff on this, and I think justifiable so.
I think retraining should be viewed as, "Oh, I picked up Vital Strike chain, but I'm a pouncing barbarian. Vital Strike is kind of worthless now, it was probably a mistake. Thankfully I can turn that into Power Attack, Furious Focus, etc because I didn't pick those up for some reason."

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Victor Zajic wrote:KainPen wrote:Yeah but by doing that you end up nerfing your self even more. That if you can even qualify for another prestige class. Most Prestige classes require you to muti-class as it is.Until Ultimate campaign came out, you were never allowed to switch base class levesl to prestige classes.
I have a hard time taking your compaints of this being a super nerf seriously. We all know that this is the way it was intended to work all along, and it's the way it's always worked. if you don't qualify for your prestige class by level 11, you won't get 10 levels in it by level 20.
Raving Dork - The origional FAQ answer didn't actually prevent you from boot strapping all your base class levels into prestige class levels. The new ruling prevents this in a fashion that can't be rules lawyered around in any way, shape or form.
Which is why I would have never played one before the book came out. not one with speical condtions. I would play others but not ones with condtions that you have no control over. the 2nd update on the faq stop the boot straping , the 3rd was completely uncalled for.
So I want to retrain my level 2 fighter/ 2 x barbain / 2 ranger to a level 3 Figher/2Ranger/2 Hell Knight. What is wrong with that nothing. All the requirments are met for hell knight. The 2nd statment in the faq stoped you from changing that above class 2 fighter/4 hell knight. Which was the intent of the retraining rule all a long.
The 2nd update to the FAQ didn't stop bootstrapping, all it did was say that you had to meet pre-reqs when removing a base class level. The third was completely called for, because the 2nd didn't explicitly stop the problem.
Just talk to your GM about the special conditions, so you know if you'll be able to take the prestige class around the level you want to take it. The GM has control over those conditions, so if you work with them you can accomplish what you want. Prestige classes with special conditions have existed since before Pathfinder, and in 16 years of d20 gaming I literally have never had a problem meeting those conditions when working with a GM. If I would have a problem, the GM tells me it doesn't really fit with their game and I pick another build to play. Ultimate campaign retraining rules are not what makes all those prestige classes suddenly playable, that is complete and utter nonsense.
If you are talking about something like PFS, the special conditions that you have no control over are waived.

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Jiggy wrote:Claxon wrote:Well, apparently the Pathfinder Design Team is being nonsensical. Maybe you should go set them straight. ;)I think the common sense way to approach rebuilding rules is:
If you could have made this character from level 1 (without using the rebuilding rules) then the character is valid and can be rebuilt in this fashion.
Anything else is nonsense.
I didn't really mean the design team. The original language of the restriction was clear enough that I understood the intent to be tantamount to what I stated. It has since, been FAQ'd into being very different from that original understanding. Now to the point where you can't retrain a base class level into a prestiege class level. I think this is really just due to frustration on the part of the rules team dealing with the few, but vocal, jerks that like to pop in and attempt to bend the rules in whatever way is most befitting to them.
To that end, I think frustration has gotten the better of the staff on this, and I think justifiable so.
I think retraining should be viewed as, "Oh, I picked up Vital Strike chain, but I'm a pouncing barbarian. Vital Strike is kind of worthless now, it was probably a mistake. Thankfully I can turn that into Power Attack, Furious Focus, etc because I didn't pick those up for some reason."
Common sense and a good GM will fix just about any problem with the rules. However, some GMs and settings (PFS mostly) instead adhere to a strick rules as written view when it comes to the rules, even if that goes counter to common sense. You need clearly defined rules and rulings so that the experience should be the same no matter who is running a game like that. Not being able to retrain into more prestige class levels makes sense and fixes the rules problem.

Paladin of Baha-who? |

Paladin of Baha-who?,
Here you go:
UCa p191 wrote:- GaussNEW LANGUAGE
You can spend time to learn an additional language. It takes 20 days of training to gain a bonus language, and these days need not be consecutive. Each language requires a trainer who shares a language with you and knows the language you want to learn, or a book written in a language you know that explains the basics of the language you want to learn.
The new language does not count toward your maximum number of languages (racial languages + bonus languages from Intelligence + Linguistics ranks). You can train this way only a number of times equal to 1 + your Intelligence bonus.
Oh, well, somehow I thought you meant through some other means. Of course this kind of training can get you more languages -- that's the point of it.

Gauss |

Paladin of Baha-who?, I didn't mean anything. I was answering your question that was a response to deuxhero. :)

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Wait, what was so bad about the initial FAQ ruling and first clarification? The second clarification seems to be overstepping a bit.
I'd wager they felt the first response shutdown the "using one PrC to qualify for another PrC" that they made the second update to confirm this isn't allowed.
Is it safe to assume this would apply to class features as well?
I'm pretty sure there is a FAQ that does not allow this for Class Features.

David knott 242 |

Pathfinder Design Team wrote:kFAQ updated:
Update 10/16/13: New ruling: You cannot use retraining to replace a base class level with a prestige class level.
Where is this FAQ? Ultimate Campaign does not have a FAQ yet, and I cannot think of any other book that mentions retraining.

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Patrick Harris @ MU wrote:Pathfinder Design Team wrote:kFAQ updated:
Update 10/16/13: New ruling: You cannot use retraining to replace a base class level with a prestige class level.Where is this FAQ? Ultimate Campaign does not have a FAQ yet, and I cannot think of any other book that mentions retraining.

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Pathfinder Design Team wrote:FAQ updated:
Update 10/16/13: New ruling: You cannot use retraining to replace a base class level with a prestige class level.Oh good, now it's actually nerfed. This means that you can't replace a base class level with a prestige class level even if the base class level was irrelevant in qualifying for the prestige class.
Nice job breaking it, munchkins! : D
Errrr.... why in the world did they say this? It makes no sense and seems to goal against the whole retraining idea. Were they worried about people taking a PrC at level 1? If so I'm sure they could of easily worded it to prevent that, it's like using a claymore when a scalpel would have worked. lol

Ughbash |
I have no idea what you guys mean by "boot strapping." Could you please provide a clear example of the original rulings being abused?
Boot strapping would be using what yo got s a prestige class to qualify for retraining.
Start with a level 3 wizard/Level 3 cleric add one level of MT. You now have foirth level casting of wizard and cleric.
Retrain one wizard level to MT and even not counting that level you still qualified for MT and you are now wizard 2/cleric 3/MT 2. Repeat with cleric level and become wizard 2/cleric 2/ MT 3. Repeat til Wizard 1/Cleric 1/MT 5.

KainPen |
Boot Strapping is basicly it becomes self sustaning
2nd Update 10/16/13: In any case, you cannot use rule elements from a prestige class to meet the requirements of that prestige class.
this one completely stops boot strapping.
The first one also stoped it also the 2nd was just a futher clerficaiton and under standing. Basicly a last nail in coffin.
The 3rd update was over kill and un called for. It basicly was the = to takeing that nailed coffin and droping in wet cement foundation for 30 story building about to be built.
This is very much a nerf for PrC. Retraining made PrC with speical requirements a bit stronger and a not so bad option as you could retrain and get those missing levels as long as you had the requirements. It was still sub optimal choice for any one of them.
Now you are stuck with the old way of doing speical requirment prc which makes them just not good option to choose. as prc are sub optimal vastly weaker then a normal PC class or standard multi class character. and prc with speical requirements are even worse then that.

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Before Ultimate Campaign, you had no official rules for retraining.
After Ultimate Campaign, you had options to retrain, which some players tried to abuse for prestige classes in ways the retraining rules weren't intended.
Limiting retraining rules for prestige class characters solves the abuse problem.
More severe solutions were considered (such as "you can't retrain class levels if you have levels in any prestige class"), but the decision was made to use a gentler ruling.
You shouldn't consider "I can't exploit the new rule in a way it wasn't intended, as it was originally published" to be a "nerf."

Gauss |

Pathfinder Design Team,
Out of curiosity, why not just go with:
"Your character must be legal for the level you retrain it. Your character must also be legal for all subsequent levels after the level you retrain it."?
Example: If you retrain a level 3 ability that ability must be legal at level 3 and all subsequent levels must also continue to be legal.
To me, it would avoid abuse and the retrained character wouldn't be any different than one that was built from the ground up. :)
- Gauss

blahpers |

The problem with the original rulings was that while a single prestige class couldn't be used to meet the requirements of that prestige class, one prestige class could still, post-FAQ, be used to meet the requirements of a second prestige class, and vice versa. This allowed the two prestige classes to bootstrap each other, resulting in the same sort of "exploit" the FAQ tried to prevent.
The problem with addressing that specifically is that it is not trivial to formulate a concise, easy to understand, and thorough rule that solves the above problem. You can make the rule, certainly, but if it takes a paragraph (or, worse, a paragraph-long sentence) to express it, the rule is not much use as a significant fraction of the population won't understand it.
So they went with something simpler that happened to stomp on legitimate retraining options. Fortunately, this isn't criminal law, and you can play it the way it was intended before folks like us that love to find corner cases ruined the party.
TL;DR: It is a nerf (despite Pathfinder Design Team's indignant response above), but we had it coming, and there's no reason you can't play it the way it was obviously meant to work.

blahpers |

Pathfinder Design Team,
Out of curiosity, why not just go with:
"Your character must be legal for the level you retrain it. Your character must also be legal for all subsequent levels after the level you retrain it."?
Example: If you retrain a level 3 ability that ability must be legal at level 3 and all subsequent levels must also continue to be legal.
To me, it would avoid abuse and the retrained character wouldn't be any different than one that was built from the ground up. :)
- Gauss
1. "Legal for the level you retrain it" is too ambiguous. It would take paragraphs to resolve what that means to the an inarguable point, and paragraphs for a single rule generally cause more problems than they solve.
2. It requires too much tracking of character history. In the worst case, you may have to deconstruct your character into the various levels that built it up. Pathfinder design tends to encourage character builds that are as simple to assess as possible without such complicated deconstruction. Yes, simple BAB requirements aren't too much to resolve with a single prestige class, but clever players can come up with combinations that give GMs headaches. Preventing that is a Good Thing, and more important than the few cases where someone actually wants to legitimately retrain a base level with a prestige level.

blahpers |

I'm probably just lazy, but to be honest I don't keep track of what my character had at any given level, so it would require some reverse-engineering if I had to verify that I qualified for what I wanted to retrain at a given point in my character's history.
That was way more concise than my post. This.

Gauss |

blahpers, again, why would it require keeping track of character history. Where in my idea do I state that?
My idea is really quite simple.
Build character as if starting from scratch to the level you want it at.
Compare that build to your current build. Retrain any changes.
- Gauss
Edit: Perhaps mine is just a different philosophy on retraining. I do not believe retraining should allow you to create a character you could not create by building it from the ground up.
If a GM says, make a level 10 character the response should not be: Can I retrain stuff to make this build I could not otherwise make?
It should only be for correcting mistakes in your build, not for coming up with builds that cannot be achieved any other way.

Xaratherus |

Xaratherus, you wouldn't have to keep track of what your character had at any level. Just make sure the character is legal at that level and subsequent levels.
- Gauss
Which amounts to rebuilding my character from level X (the level of the item I want to retrain) back to level Y (the level I'm currently at) - which, in my opinion, is more work than just tracking all of your character's prior levels.
But I still think both are absolutely unnecessary and not worth the time\effort. I think it's perfectly fine to consider a character legal if, after retraining, the end result is legal. Otherwise, it's simply not worth the work.
I would posit that's exactly why they allow the same thing for fighter retraining - as long as the end result build is legal, then the character is legal - because they felt the alternative (rebuild the character from level X to Y or character archive) was too cumbersome to be worth it.
[edit]
@Gauss: I'm fine with the way the designers have ruled. I believe retraining should work just like the fighter retraining always has.
Can it lead to some optimization? Yeah. But I just don't personally see it as worth it to rebuild your character from a previous level every time that you want to retrain something, and that (or historical tracking of the character over every level) is required for what you're suggesting.