Spiderfriend Magic
General feat
Spiderfriend Magic is a D&D 3.5 feat (General) from DrU, p. 52. Your spells cannot harm your vermin allies.
Benefit
Your spells have no effect against vermin allies (but affect vermin enemies normally).
As a swift action, you can suppress the effect of this feat for 1 round.Description
Your spells cannot harm your vermin allies.