Permanency

One target active spell of 1st level or lower, with a duration of more than 1 round, who’s target is a creature, an object or an area, and requires no concentration becomes permanent.

During the casting of this spell, the target spell's duration is paused and it can not be dispelled. If the target spell affects more than one target, it becomes permanent for one target of your choice. If one of the target spell's conditions for ending, either than duration running out, occurs, the spell ends.

After this spell is cast, you gain 3 levels of exhaustion.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, you can target a spell of a one level higher for each slot level above 4th.