Dream Cell

The caster creates a ring of sand around the target and utters a incantation. Black tendrils rise from the sand and wrap around the target. If the target is a CR rating of half the casters cleric level or under, it will permanently fall into a deep sleep and only can wake up from a dispel magic against the casters spell saving throw. 

If the target has a CR rating above half the caster’s level, they must make a wisdom saving throw. Upon a failure it will permanently fall into a deep sleep and only can wake up from a dispel magic against the casters spell saving throw. Upon success, the spell fails.