Barrier of Celestial Harmony

Level: 9th-level Abjuration

Casting Time: 1 action

Range: 60 feet

Components: V, S, M (a sacred relic worth 5,000 gp)

Duration: Concentration, up to 1 minute

Description: You create a 30-foot-radius sphere of celestial energy. Allies within the barrier are immune to all damage, and fiends, undead, and extraplanar creatures cannot enter. The barrier suppresses all magic within, except for your own.