Entropy shield was an Abjuration spell that enveloped the caster in a cyclone of semi-solid energy that deflected all normal missiles up to boulder-sized, prevented half of all melee attacks, and provided magic resistance to area attacks.[1]


  1. 1.0 1.1 Richard Baker (1996). Player's Option: Spells & Magic. (TSR, Inc), p. 176. ISBN 0-7869-0394-5.