How does BAB interact with multiclassing?


Rules Questions


Let's say I have a class whose highest BAB when I multi-class is +6/1. Does +1 BAB of the next class only apply to the first attack? So, would the combined result be +7/1 or +7/2? Furthermore, how does the BAB of the second class apply once it reaches the +6/1 threshold? Would the resulting BAB total be +12/7/2 or +12/2?

I was having difficulty locating this in the rules.

Thanks.

Liberty's Edge

It applies to both. The actual way it works is that itterative attacks are at -5 to the previous attack so techinically it just adds to the BAB and all others are subtracted from there.

Example: You have a +6 from one class and +1 from another for a total of +7, there for you attacks are +7/+2.


We can,t locate it either but have a solution for this:

If the BAB of your other classes is the same we just treat it as one class for the purpose of extra attacks and bonus.

If its different we add the two together, but when you reach +6 you always get a second attack at +1.


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When your BAB hits +6, you get an extra attack. When it hits +11, you gain a second extra attack, +16 you gain the final extra attack. It doesn't matter which class grants it, it's the actual number that matters.


Thanks guys.

Sovereign Court

So if I understand it correctly, if you got +3 from one class and +3 from the other, you'd get +6/+1 too, right?


yes


Page 11 Core rule book:
Base Attack Bonus (BAB): Each creature has a base
attack bonus and it represents its skill in combat. As a
character gains levels or Hit Dice, his base attack bonus
improves. When a creature’s base attack bonus reaches
+6, +11, or +16, he receives an additional attack in combat
when he takes a full-attack action (which is one type of
full-round action—see
Chapter 8).


I saw that but I didn't see the -5 rule. AFAIK, it's just a convention and has not explicitly stated rule.


Buri wrote:
I saw that but I didn't see the -5 rule. AFAIK, it's just a convention and has not explicitly stated rule.

Look at any of the class tables. When the BAB for the first attack reaches 6, 11 or 16, the next BAB is at -5

-- david
Papa.DRB

Dark Archive

This is one of those rules that, having been around for 12 years, gets taken for granted. I actually did a double take when I read the OP in surprise that someone needed to ask (no offense meant). As I read through further, I can easily see why someone might need the clarification.

In short, the extra attacks on the class level progression table are shorthand meant to make it easier for you to calculate the value of interative attacks. BAB is not +6/+1, it's +6. Having a +6 gives you an extra attack at -5, aka +1.

In other words, the second attack is not coming from having a 6th level of fighter, but rather from having a BAB of +6.


Matthew Winn wrote:

This is one of those rules that, having been around for 12 years, gets taken for granted. I actually did a double take when I read the OP in surprise that someone needed to ask (no offense meant). As I read through further, I can easily see why someone might need the clarification.

In short, the extra attacks on the class level progression table are shorthand meant to make it easier for you to calculate the value of interative attacks. BAB is not +6/+1, it's +6. Having a +6 gives you an extra attack at -5, aka +1.

In other words, the second attack is not coming from having a 6th level of fighter, but rather from having a BAB of +6.

I was thinking the same and I also noticed that the Multiclass section is kind of lacking cause it takes for granted people know what they are doing.

I have noticed that the BAB +6/+1 has screwed a lot of people up over the years had to explain this to someone to clarify how TWF worked. What a lot of these people don't understand is that their BAB is +6, not +6/+1 or +11, not +11/+6/+1.
I would not be surprised if the whole iterative attacks has been left out of the rules, I haven't done a search yet.


There's mention in the full attack action part of the combat chapter in the CRB that mentions that you get multiple attacks but doesn't go into details of what that means, how modifiers change from attack to attack, etc.

Having been in RPGs for years, I knew of the convention but couldn't find any rules in Pathfinder to back it up. So, I asked. :)


Well finished my search of the core rule book .pdf and only one reference to iterative attacks was in the 6th sentence of page 406 under the topic Ending the campaign.


Full Attack, Combat wrote:

Full Attack

If you get more than one attack per round because your base attack bonus is high enough (see Base Attack Bonus in Classes), because you fight with two weapons or a double weapon, or for some special reason, you must use a full-round action to get your additional attacks. You do not need to specify the targets of your attacks ahead of time. You can see how the earlier attacks turn out before assigning the later ones.

The only movement you can take during a full attack is a 5-foot step. You may take the step before, after, or between your attacks.

If you get multiple attacks because your base attack bonus is high enough, you must make the attacks in order from highest bonus to lowest. If you are using two weapons, you can strike with either weapon first. If you are using a double weapon, you can strike with either part of the weapon first.

So you see, it does mention that you do get them and what action it is, but it goes into zero details of how they work. All it mentions is if your class' BAB grants you one but provides no concise framework on how the bonuses are treated.

So, if you're multi-classed into 6 classes, sure your BAB is +6, depending on the class and level, and sure the terms in Chapter 1 break down you get an extra attack at +6 and by inference we can see that the mod on the extra attack from +6 is a +1 because other tables list it as such but there's just nothing spelling it out all in one place.

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