Spellcasting Harrier
Epic feat
Spellcasting Harrier is a D&D 3.5 feat (Epic) from Dr, p. 74. Spellcasters you threaten find it difficult to cast defensively.
Prerequisite
Combat Reflexes (PH) ,
Benefit
Any spellcaster you threaten in melee provokes an attack of opportunity if he or she tries to cast defensively. You get a +4 bonus on this attack roll.
Description
Spellcasters you threaten find it difficult to cast defensively.