Become bones

Become bones was a common spell.

Effects
When cast, this spell altered the body of the caster. The caster's flesh, organs, and clothing became invisible, which caused them to look like a skeleton. The caster's normal abilities were not altered. When the spell was in effect, undead creatures took no interest in the caster, ignoring them completely.

Components
This spell required only verbal and somatic components.

History
This spell was known to be used by wizards of the Cult of the Dragon.