Dyfen's Mind Corrosion (3.5e Spell)

Dyfen only won against Maverick because he forgot half of his spellbook.

The subject of the spell must make a will save whenever he or she take an action, as the spell corrode their mind extremely quickly.
 * Making an attack: Subject must make a will save or be unable to make a full attack this round. (Doesn't affect the initial attack)
 * Casting a Spell: Subject must make a will save or lose a prepared spell/spell per day of the same level as the spell cast. If the subject fail the will save his or her initial spell have a 50% chance to fizzle.
 * Initiating a Manuever: Subject must make a will save or lose a random readied maneuver. If the subject fail the will save his or her initial maneuver have a 50% chance to fizzle.
 * Make a Move Action: Subject must make a will save or be unable to make further move action this turn. (Doesn't affect the initial move action)
 * Make a Full-Round Action: Subject must make a will save or stop midway through the action, foiling it.