You are entombed in ice that is the same size as your character. You take no damage from this. While you are in the ice, you are immune to all damage besides physic, radiant, and necrotic, are incapacitated and cannot use bonus actions, and regain 1 spell slot of your choice thats’s 4th lvl or below per round. You can regain a spell slot of any higher lvl besides 9th lvl every 2 rounds. The tomb has 100 hp, 15 AC, and is immune to all damage besides force and fire and magical bludgeoning damage, and it has vulnerability to fire damage. At any time you can burst out of the tomb, dealing 1d4 cold damage to anyone within 5 ft, and ending this spell. If you are in the tomb for more than 5 rounds you take 3d10 cold damage per extra round you spend in the ice.