D&Dtools

Benefit

You gain a +4 bonus on caster l evel c heck s m ade t o d efeat a Weave user's spell resistance. All creatures employing spells or spelllike abilities are considered Weave users unless they possess the Shadow Weave Magic feat. This benefi t stacks with those from the Spell Penetration and Greater Spell Penetration feats, but it does not extend to spells you cast from the schools of evocation or transmutation.