Minor angels attend this shrine, allowing you to refocus your divine power for other purposes.
Wondrous Item 425,000 gp
When you spend 24 hours in prayer at the shrine, you can replace one divine power as if you had gained a level and retrained. After you use this property, you can’t use it again until you gain a level.
Published in Adventurer's Vault 2, page(s) 81.