SPELL_TREMOR

Usage       : cast tremor
Accumulative: -
Duration    : Instantaneous
Level       : Level 7 cleric.
Damage Type : Holy
Mana Usage  : 18

This spell will damage all mobs in the room. There is also a chance of the
victims falling, if there is a down exit present. This spell has no
effect on players. Damage increases with the casters level.