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Thread: Fractional BAB??
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2011-05-30, 02:48 PM (ISO 8601)
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Fractional BAB??
I've seen fractional BAB mentioned several times in threads regarding multiclassing, but I've never seen it explained. I was wondering if anybody could explain this (presumably simple) process to me, or show me where to find a description/explanation of it.
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2011-05-30, 02:51 PM (ISO 8601)
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Re: Fractional BAB??
It's from Unearthed Arcana. Give me a minute and I'll see if I can find it on the SRD.
EDIT: I must be looking in the wrong place, because I can't find it on the SRD. It's on pg. 73 of Unearthed Arcana, though. Basically, it means that multiclass characters don't have crazy high saves and stupidly low BAB. For example, without fractional BAB/saves, a Wizard 1 / Sorcerer 1 (don't ask why you'd take that class combo) would have BAB 0 and Will +4. With them, the same character would have BAB 1 (form having 2 levels in BAB 1/2 classes: 1/2 + 1/2 = 1) and Will 3 (the same as you normally would from having 2 levels in a class with good Will). You only get the +2 from having good saves once, but you add all the fractional pieces of your BAB and your saves together to get a much more reasonable whole.Last edited by Zaq; 2011-05-30 at 02:59 PM.
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2011-05-30, 02:53 PM (ISO 8601)
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Re: Fractional BAB??
Each class progresses your BAB by a certain fraction; .5 for classes like Wizard, .75 for ones like Rogue, and 1.0 for ones like Fighter. At each level, add that number to your BAB total, and for the purposes of attack round down to the next whole number.
For example, a Cleric 3 Wizard 2 Fighter 3 would have 2.25 + 1 + 3 = 6.25 BAB.
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2011-05-30, 03:00 PM (ISO 8601)
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Re: Fractional BAB??
While correct, this is not the best example, because BAB 6 is what a cleric 3, wizard 2, fighter 3 would have already.
A better example would be Rogue 2, Wizard 1. With normal BAB rules this character has a BAB of +1. Under fractional, it has 1.5+0.5=+2.
Cleric 2/Rogue 2/Druid 2/Bard 2 would normally have a BAB of +4. Under fractional rules, it's +6.
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2011-05-30, 03:22 PM (ISO 8601)
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Re: Fractional BAB??
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2011-05-30, 03:26 PM (ISO 8601)
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Re: Fractional BAB??
It boils down to a little extra complication for a superior BAB system. The only reason not to use it is because you don't want to bother, otherwise it's the way to go.
Last edited by ericgrau; 2011-05-30 at 03:26 PM.
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2011-05-30, 03:28 PM (ISO 8601)
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2011-05-30, 03:38 PM (ISO 8601)
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Re: Fractional BAB??
Silly me. Right you are, Cog. I just checked, and you're right. That's not how we do it (at our table, you get the +2 only from your first class and your first PrC), and I'd forgotten that the rules in the book are different.
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2011-05-30, 04:47 PM (ISO 8601)
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Re: Fractional BAB??
Original Fractional BAB article did but the Unearthed Arcana reprint didn't, for whatever reason. Obviously, it makes no sense to get the +2 twice per save since that means multiclassed characters get better saves than singleclassed characters with full good progression. That's just dumb, but default UA printing says nothing against it. Luckily, it's easy enough to implement on your own.
Last edited by Eldariel; 2011-05-30 at 04:48 PM.
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2011-05-30, 06:19 PM (ISO 8601)
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Re: Fractional BAB??
It's a way to gain slightly more BAB from multiclassing, rather than using the whole number BAB increases that the class tables give.
For example, a Rogue has 3/4 BAB. Wizard has 1/2 BAB.
Under core rules, a Rogue 1/Wizard 1 has +0 BAB, as both have only +0 BAB at level 1.
Using fractional BAB, a Rogue1/Wizard 1 has .75+.5 or 1.25 BAB, which rounds down to +1.
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2016-01-08, 12:49 AM (ISO 8601)
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Re: Fractional BAB??
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Re: Fractional BAB??
Those rules really come into play with a few prestige class (with BBA as prerequisite) and the early access to iteratives (and associated feats) in a few builds.
Note that late WotC printings have prestige classes that do not penalise 3/4 BBA (Ordained Champion comes after cleric 4, while older PrC need 5 levels at least, wich is bad for clerics and especially rogues (we're looking at you, assassin)). So fractionnal BBA isn't really how the game was intended.
The only times I wanted that rules was when I was building early entry Arcane Hierophant and early entry Arcane Trickster.
Edit : the saves matter to Master of Shrouds and Thrall of Juiblex. All hail lv4 PrC entry !Last edited by Ger. Bessa; 2016-01-08 at 08:44 AM.
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2016-01-08, 12:44 PM (ISO 8601)
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Re: Fractional BAB??
I use fractional BaB but not fractional saves.
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2016-01-09, 12:46 AM (ISO 8601)
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