Crumble Undead

Crumble Undead is spell that require a magic level of 39 to cast and cost 2 air runes, 2 earth runes and 1 chaos rune. This spell is only effective against undead ennemies, such as skeletons, zombies, ghost and shades. Crumble Undead is a good way to train magic, as it costs less runes than Earth Bolt, but hits as hard as Earth Blast.

Info

 * Trying to attack a non-undead NPC with Crumble Undead says " This spell only affects skeletons, zombies, ghosts and shades".