Void Prison

You create a sphere filled with a hazy void for the duration that is centered on yourself and spreads out 10-feet from you. The inside of the sphere is lightly obscured, and the form of the sphere passes through walls and objects. While you are concentrating on this spell, you are blinded, deafened, restrained, unable to take any actions or reactions, and are resistant to all damage. Additionally, any creatures in the sphere when you create it or those that enter it during the duration must make a Strength saving throw. A creature may choose to fail this saving throw. On a failed save, a creature falls under the same conditions and restrictions as you, except they are immune to all damage instead of resistant. On a successful save, they are instead pushed out of the sphere into the nearest open space.

A creature may repeat the save at the end of each of their turns, ending the effects on them and being pushed out of the sphere on a success.