Vanilla Power Word, Stun

Power Word, Stun
(Conjuration/Summoning)

Level: 7
Range: Visual range of the caster
Duration: Special
Casting Time: 1
Area of Effect: 1 creature
Saving Throw: None

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.