Trap the Soul

Forces a creature's life force and its material body into a gem on a failed Will save. Although this essentially 'kills' the target, it is not a death effect and functions on creatures such as undead (but not most constructs). This spell requires a Khyber Dragonshard as a special material component.


 * Sorcerer and Wizard level 8 spell
 * School: Conjuration
 * Usable Metamagic: Quicken, Highten, Enlarge
 * Components: Somatic, Verbal
 * 10HD version of the spell requires a Tiny Khyber Dragonshard as material spell component. (One per a cast)
 * 20HD version requires a Small Khyber Dragonshard.
 * 30HD version requires a Average Khyber Dragonshard.
 * Components needed to cast this spell cannot be skipped with Eschew Materials feat.

The Stone of Change Eldritch Device will convert:
 * 1000 Fragments -> 10 Tiny
 * 100 Tiny -> 20 Small
 * 10 Small -> 4 Average

Soul Gems reported
Note that anything other than Soul Gem: Essence of Earth has no use in game currently.

Elemental Soul Gems

 * Soul Gem: Weak Essence of Earth
 * CR5 Earth Elemental,


 * Soul Gem: Essence of Earth
 * CR7 Earth Elemental, 20HD version (Depths of Discord on hard, Depths of Despair on Elite, part2 of Grey Moon)


 * Soul Gem: Strong Essence of Earth
 * CR 10 Earth Elemental, 30HD version (Threnal Ruins)


 * Soul Gem: Essence of Fire
 * CR7 Fire Elemental, 20HD version


 * Soul Gem: Strong Essence of Fire
 * CR9 Fire Elemental, 30HD version (Taming the Flames on elite)




 * Soul Gem: Strong Essence of Air
 * CR11 Air Elemental, 30HD version

Outsider Soul Gems

 * Soul Gem: Essence of the Rebel
 * CR16 Ghaele, 20HD version




 * Soul Gem: Essence of the Dominator
 * CR15 Bearded Devil (Vale of Twilight)
 * Efreeties (Court of Lailat)

* According to Litany of the Dead riddle;
 * The Crusader - Lawful Good
 * The Destroyer - Chaotic Evil
 * The Rebel - Chaotic Good
 * The Dominator - Lawful Evil

Others

 * Soul Gem: Weak Giant (smells like cheese)

Reference

 * Trap the Soul, 20-30 HD results thread, by Angelus_dead