Spell drain
From BatWiki
A special spell, cast by monsters only (not available to players in any form). Spell drain, when succesfully cast and if save / resist check fails, will permanently drain some random spell by at least 1%.
A special spell, cast by monsters only (not available to players in any form). Spell drain, when succesfully cast and if save / resist check fails, will permanently drain some random spell by at least 1%.