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Chapter 2: Building Games / Building Creatures / Spells

Spell DC and Spell Attack Modifier

Source GM Core pg. 122 2.0
Set the creature's spell DC and spell attack modifier using the Spell DC and Spell Attack Modifier table. Most creatures use the same DC for all their spells, even if they have multiple types, such as a creature with both prepared spells and innate spells.

Use the high numbers for primary casters, and the moderate numbers for creatures that have some supplemental spells but are focused more on combat. At 15th level and higher, the extreme numbers become standard for spellcasters. A few creatures might use the extreme numbers at lower levels, but they tend to be highly specialized, with very weak defenses and Strikes. Secondary spellcasters can go up to high numbers if they're above 15th level and have offensive spells. There is no low value—the creature shouldn't have any spells in the first place if it would be that bad at using them!

Table 2–11: Spell DC and Spell Attack Bonus

LevelExtreme DCExtreme Spell Attack BonusHigh DCHigh Spell Attack BonusModerate DCModerate Spell Attack Bonus
–119+1116+813+5
019+1116+813+5
120+1217+914+6
222+1418+1015+7
323+1520+1217+9
425+1721+1318+10
526+1822+1419+11
627+1924+1621+13
729+2125+1722+14
830+2226+1823+15
932+2428+2025+17
1033+2529+2126+18
1134+2630+2227+19
1236+2832+2429+21
1337+2933+2530+22
1439+3134+2631+23
1540+3236+2833+25
1641+3337+2934+26
1743+3538+3035+27
1844+3640+3237+29
1946+3841+3338+30
2047+3942+3439+31
2148+4044+3641+33
2250+4245+3742+34
2351+4346+3843+35
2452+4448+4045+37