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NOTE: Most players will not need to worry about calculating these values since the character sheet database does so automatically. This information is presented solely for informational purposes.

Base Attack Bonus

Multiclass characters do not calculate their base attack bonus by adding the save values listed on the advancement tables for their individual classes.

Instead, each base saving thow is determined based on how many levels you have in classes with good, average, and poor progressions for that save.

Calculating Your Base Attack Bonus

  1. Count up all of the character levels at which you took a class that had a "good" BAB (i.e. a +1 at 1st level). Find that character level on the table below and note the bonus in the Good BAB column.
  2. Next, count all of the character levels at which you did not take a class that had a good Fortitude save, but still had at least an average BAB. Find that character level on the table below and add note the bonus in the Average BAB column.
  3. Lastly, count all of the character levels at which you did not take a class that have either a good or average BAB. Find that character level on the table below and add note the bonus in the Poor BAB column.
  4. Add the bonuses from the Good, Average, and Poor BABs. This is your Base Attack Bonus.

BAB Progressions

Character ____ Good ______ Average ______ Poor
Levels BAB BAB BAB
1 +1 +0 +0
2 +2 +1 +1
3 +3 +2 +1
4 +4 +3 +2
5 +5 +3 +2
6 +6 +4 +3
7 +7 +5 +3
8 +8 +6 +4
9 +9 +6 +4
10 +10 +7 +5
11 +11 +8 +5
12 +12 +9 +6
13 +13 +9 +6
14 +14 +10 +7
15 +15 +11 +7
16 +16 +12 +8
17 +17 +12 +8
18 +18 +13 +9
19 +19 +14 +9
20 +20 +15 +10


Fractional Method


Saving Throws

Multiclass characters do not calculate their base saving throws by adding the save values listed on the advancement tables for their individual classes.

Instead, each base saving thow is determined based on how many levels you have in classes with good and bad progressions for that save.

Calculating Your Base Saves

  1. The first step in determining your saving throws is to start with Fortitude.
  2. Count up all of the character levels at which you took a class that had a "good" Fortitude save (i.e. a +2 at 1st level). Find that character level on the table below and note the bonus in the Good Save column.
  3. Next, count all of the character levels at which you did not take a class that had a good Fortitude save. Find that character level on the table below and add note the bonus in the Poor Save column.
  4. Add the bonuses from the Good Save, and Poor Save colums. This is your Base Fortitude Save.
  5. Repeat this process for Reflex and Will.

Saving Throw Progressions

Character ____ Good ______ Poor
Levels Save Save
1 +2 +0
2 +3 +0
3 +3 +1
4 +4 +1
5 +4 +1
6 +5 +2
7 +5 +2
8 +6 +2
9 +6 +3
10 +7 +3
11 +7 +3
12 +8 +4
13 +8 +4
14 +9 +4
15 +9 +5
16 +10 +5
17 +10 +5
18 +11 +6
19 +11 +6
20 +12 +6


Fractional Method