Trap the Soul

Note that items with the Trap the Soul (item enhancement) have no Hit Die requirement or material component.

Soul Gem distribution notice
When in a group the soul gems you create by using this spell can be picked up by any member of the party. This should be considered before using this relatively expensive spell.

=Soul Gems reported= Soul Gems may be used in the Stone of Change (Adamantine Rituals use Soul Gem: Essence of Earth), and Cannith Crafting; see Crafting Soul Gems for a list. Soul Gems can be stored in Small or Medium Soul Bags.

Reference

 * Trap the Soul, 20-30 HD results thread, by Angelus_dead
 * List of Soul Gems (colors, description text)