Power Word, Stun allows a wizard to stun any creature with 89 or less Hit Points.
|“|| Power Word, Stun|
When a Power Word, Stun spell is uttered, any creature of the Mage's choice within visual range is stunned for the duration depending on its current Hit Points:
1 to 29 Hit Points: Stunned for 4d4 rounds;
30 to 59 Hit Points: Stunned for 2d4 rounds;
60 to 89 Hit Points: Stunned for 1d4 rounds;
90 or more Hit Points: Unaffected.
Note that if a creature is weakened so that its Hit Points are below its usual maximum, the current number of Hit Points is used to determine this spell's effects.