Tremor

is a Keeper spell in Dungeon Keeper 2 and Dungeon Keeper Online (in which its name translates to Earthquake). It causes an earthquake and cave-in, damaging creatures and walls (fortified walls become rock) in the vicinity.
In Dungeon Keeper Online, this spell damages and slows all creatures caught in it.
== Gallery ==
Earthquake info Dungeon Keeper Online.jpg|Spell details (Dungeon Keeper Online)
== References ==