Spell: Calcification

You transform a thrall into fine dust particles that invade a creature's body and begin transforming their body into a statue made of pure enhanced bone. Destroy a thrall within range, and choose a living or undead creature within 60 feet of where the thrall was. The creature begins solidifying into pure bone depending on its Fortitude save. Creatures already made purely of bone, such as skeletons, are immune to this spell. An incorporeal creature slowed by this spell loses the incorporeal trait and all associated resistances for the duration of the spell.

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Critical Success The creature is unaffected.

Success The creature is Slowed 1 and has weakness 5 to bludgeoning for 1 round.

Failure The creature is slowed 1 and has weakness 10 to bludgeoning for as long as it's slowed. The creature must attempt an additional Fortitude save at the end of each of its turns; this ongoing save has the incapacitation trait. On a failed save, the slowed condition increases by 1 (or 2 on a critical failure) as bone growths creep across the creature's body. A successful save reduces the slowed condition by 1.

When a creature becomes fully unable to act due to the slowed condition from calcification, the spell then ends, leaving the creature petrified permanently as it becomes a bony statue. The spell also ends if the slowed condition is removed, which causes the bone to break off harmlessly.

Critical Failure As failure, but the target is initially Slowed 2.