The Archive of Esoteric Secrets
4-level Transmutation
You unleash a breath of light blue energy in a 10-foot cone in
front of you. This energy hardens into strong crystalline
structures that engulf enemies inside. Each creature within the
area must succeed on a Dexterity saving throw or become
petrified for 1 hour. A creature can make a Strength saving
throw at the end of each of its turns, breaking the crystal from
the inside on a success, freeing itself.
A section of the crystal surrounding a creature has AC 15, 25
hit points, as well as immunity to poison and psychic damage.
When it is reduced to 0 hit points, the creature inside is freed.
Any damage that targets the crystal also targets the petrified
creature inside.
A creature of huge size or larger can only become restrained
by this spell.