When a power word, stun spell is uttered, one creature of the
character's choice is stunned, whether the creature can hear the
word or not. A creature with 50 or fewer hit points remains
stunned for 4d4 rounds, one with 51 to 100 hit points is stunned
for 2d4 rounds, one with 101 to 150 hit points is stunned for 1d4
rounds, and a creature with 151 hit points or more is not
A stunned creature cant act and loses any Dexterity
bonus to AC. Attackers gain +2 bonuses to attack it.