You attempt to bind a creature within an illusory cell that only it perceives.

A creature is immune to this spell if it is immune to being

Charmed

The target must make an Intelligence saving throw, taking 5d10 Psychic damage.

Critical Success (+10). The target is unaffected.
Success. The target takes full damage.
Failure. The target takes full damage and is affected by the illusion below.
Critical Failure (–10). As failure, except the target takes double damage.

Illusion: You make the area immediately around the target's space appear dangerous to it in some way. You might cause the target to perceive itself as being surrounded by fire, floating razors, or hideous maws filled with dripping teeth. Whatever form the illusion takes, the target can't see or hear anything beyond it and is

Restrained

If the target is moved out of the illusion, makes a melee attack through it, or reaches any part of its body through it, the target takes 10d10 Psychic damage, and the spell ends.