Heaven's Seal

Level: 8th-level Abjuration

Casting Time: 1 minute

Range: 30 feet

Components: V, S, M (a blessed mirror worth 2,000 gp)

Duration: Permanent until broken

Description: You trap an extraplanar creature within a glowing glyph on the ground or an object. The target must fail a Wisdom saving throw to be sealed. The seal remains until dispelled or destroyed, preventing the creature from escaping by any means.