Stoneskin
Source: Player's Handbook
4th-level abjuration
Casting Time: 1 action
Range: Touch
Components: V, S, M (diamond dust worth 100 gp, which the spell consumes)
Duration: Concentration, up to 1 hour
This spell turns the flesh of a willing creature you touch as hard as stone. Until the spell ends, the target has resistance to nonmagical bludgeoning, piercing, and slashing damage.