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I'm having a bit of trouble trying to pick a creature in which to base in order to recreate the infamous Butcher from Diablo I into Pathfinder rules as well as giving stats to The Butcher Cleaver. Any advice would be deeply appreciated...

Hi, people. As the title says it, I'm trying to figure out how Negative Levels are handled in Pathfinder. Back in 3.5, it was "simple" (sarcasm implied), as far as I understood it, since it meant a tedious but, more or less, understandable "level roll-back".

However, in Pathfinder it says that you simply apply cumulative penalties (ala template), and I like that a lot because it saves a lot of time, but some bits of it confuse me. The rules say the character is considered to be X levels lower for variables that consider HD in question (they put spellcasting as an example) for each Negative Level. I can understand what I read, but some questions arise from this:

1) Does this means I have to recalculate HP?
2) Does this means my skill rank limit is reduced too? And, if the answer is yes, what happens with the "surplus" ranks?
3) Does this means I loose access to class abilities gained in level X if I am treated to be X levels lower?
4) Are Saves, BAB, or something else regressed as if I was X levels lower aside of the penalty? (My guess is no, but it doesn't hurts to ask).

I know these are a lot of questions, but I wanted to make sure because I have a character that is going to be brought back with a Raise Dead spell, which inflicts 2 permanent Negative Levels, so I wanted to know how exactly to modify and/or treat his CRS. In advance, thanks, and sorry for the wall of text.

Hello, everybody. I was wondering if there are limitations regarding how much experience points can a character gain. I mean, in 3.5, you could not gain an amount of XP that would make you advance 2 levels on a row according to the Dungeon Mastery Guide (and you would be put, instead, at the max possible before advancing to the next level, if my memory serves me right). So, I was wondering if this same rule applies to Pathfinder, since I searched in the Core Rulebook if there was such a limitation, but I couldn't find it. Anybody knows?

I noticed that the create cost granted for each sample building on the Downtime section of Ultimate Campaign is nothing more than the summatory of the cost of all the building's components rooms. So, my question is:

Does this means the prize is simply for when you create the building from 0 instead of constructing room by room or this prize needs to be paid once you construct all the component rooms before you can use the building (which would be roughly like paying for the building twice if you think on it)?

In advance, as usual, thanks for taking your time reading and helping.

I have a question regarding the said event: it states that the player requires to spend "1d4 spell levels worth of healing spells", but I really don't understand what does this means or implies. I would appreciate a lot if someone could actually explain how does this plays out. In advance, thank you so much for your time and sorry for the inconvenience.