Multiclass Spellcasters

All character classes have a magic rating, which increases by level much like base attack bonus. For a multiclass character, add up the character’s magic ratings from each of her classes to find the character’s total magic rating.

For example, a Wiz 6/Rog 4 is treated as a 7th-level caster for determining the range, duration, and other effects of her spells. Her summon monster spells last for 7 rounds, her lightning bolts inflict 7d6 damage, she rolls 1d20+7 for dispel checks, caster level checks to overcome spell resistance, and so forth. She still doesn’t get 4th-level spells (as a normal 7th-level wizard would).

The following restrictions apply, however:

  • Only the highest bonus is used.
  • A character's effective caster level in any spellcasting class cannot be increased to more than three times the base value. For example, a Clr 15/Wiz 2 would normally gain 15 levels from his cleric side (so he would cast spells as a Wiz 17), but by this rule, he is limited to Wiz 6.
  • A character's actual caster level in any spellcasting class cannot be increased to more than double the base value. For example, the Clr 15/Wiz 2 from above would gain two effective caster levels added to his cleric class and 1 actual level; he would add 4 effective caster levels to his wizard class, and 2 of those levels would be actual caster levels. So, in effect, he'd be a Clr 17/Wiz 4 with access to 7th level cleric spells and 2nd level wizard spells (as a Wiz 4).
  • A magic rating gained from a class can't be added to that class - in this case, you use the next higher rating for the highest-level class. For example, a Clr 10/Wiz 8 would add 8 levels to the cleric, not 10.
  • Each full-caster class (cleric, druid, sorcerer, wizard) beyond the first applies a -1 penalty to all levels applied. For example, the Clr 10/Wiz 8 would actually add 7 effective levels (and 3 actual levels) to the cleric and 9 effective (and 3 actual) to the wizard.

Half the effective levels gained from the total magic rating are actual caster levels, the same as gained by certain PrCs, but they are added to the lowest class only (if there is more than one, these levels are added to all of them equally). A character's caster level in any spellcasting class cannot be increased to more than double the base value in this manner, however. For example, the above Clr 15/Wiz 2 would gain two effective caster levels added to his cleric class (but he wouldn't gain any new spells); he would gain 6 effective caster levels to his wizard class, and 2 of those levels would be actual caster levels. So, in effect, he'd be a Clr 18/Wiz 4 with access to 9th level cleric spells (as a Clr 17) and 2nd level wizard spells (as a Wiz 4).

Table 1: Magic Rating by Class

Class Level A1 B2 C3 D4
1st 1 0.75 0.5 0.25
2nd 2 1.5 1 0.5
3rd 3 2.25 1.5 0.75
4th 4 3 2 1
5th 5 3.75 2.5 1.25
6th 6 4.5 3 1.5
7th 7 5.25 3.5 1.75
8th 8 6 4 2
9th 9 6.75 4.5 2.25
10th 10 7.5 5 2.5
11th 11 8.25 5.5 2.75
12th 12 9 6 3
13th 13 9.75 6.5 3.25
14th 14 10.5 7 3.5
15th 15 11.25 7.5 3.75
16th 16 12 8 4
17th 17 12.75 8.5 4.25
18th 18 13.5 9 4.5
19th 19 14.25 9.5 4.75
20th 20 15 10 5

1 Use column A for cleric, druid, sorcerer, and wizard levels, and any class that grants full spellcasting progression (including PrCs that have "+1 level of spellcasting class" at every level (or every level except one).

2 Use column B for adept and bard levels, and any class that grants less than full spellcasting progression (0-9th level spells) but more than half (1st-4th). This includes PrCs that grant "+1 level of spellcasting class" for at least half the levels, but not every level.

3 Use column C for paladin and ranger levels, any class that grants spellcasting from 1st-4th level spells (Assassin), has three or more supernatural or spell-like abilities (Arcane Archer, Shadowdancer) or has "+1 level of spellcasting class" for less than half of the levels.

4 Use column D for fighter, monk, and rogue levels, and any class that grants no spellcasting ability at all.

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