Preserve Organ

The caster preserves a single severed organ from a living creature so that it does not decay or rot.

Book of Vile Darkness 3.5
By Monte Cook

Necromancy

Level: Cleric 0, Druid 0, Sorcerer/Wizard 0
Components: V, S, DF
Casting Time: 10 minutes
Range: Touch
Effect: One organ
Duration: 24 hours
Saving Throw: Fortitude negates (harmless)
Spell Resistance: Yes

• Evil casters use preserved organs as material spell components. There are ritual uses for body parts as well.
• The organ is kept in the exact state it was in when the spell was cast. If a heart is still beating and bloody, for example, then it remains that way.