Combat Familiar
( Player's Handbook II, p. 76)[General]
Your familiar is skilled in delivering attack spells against your foes. It flits past their defenses to discharge its spell without leaving itself vulnerable to attack.
Prerequisite
arcane caster level 1, familiar,
Required for
Lurking Familiar (PH2) ,
Benefit
If your familiar holds the charge for a touch spell, it does not provoke an attack of opportunity for entering an opponent's square.