Table 74: Base MAC and PSP Bonuses

	Ability	Base	MAC	PSP
	Score	MAC	Modifier	Bonus
	15 or less	10	0	0
	16	9	–1	+1
	17	8	–1	+2
	18	7	–2	+3
	19	6	–2	+4
	20	5	–3	+5
	21	4	–3	+6
	22	3	–3	+7
	23	2	–4	+8
	24	1	–4	+9
	25	0	–4	+10

Example: Tylk of the Westwoods has a Wisdom score of 18, which yields a base MAC of 7. He has an Intelligence score of 16, which gives a modifier of –1. Without other enhancements, Tylk has a MAC of 6 (7–1 = 6).

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