stupefied; conscious but unable to think clearly; -- usually caused by a blow or other shock.

stunned from or as if from repeated blows.

in a state of mental numbness especially as resulting from shock; "he had a dazed expression on his face"; "lay semiconscious, stunned (or stupefied) by the blow"; "was stupid from fatigue"

Condition. Spells take twice as long to cast and are easily interrupted.