Vrock is a Large fiend with chaotic evil alignment and Challenge Rating 6 in the 2024 SRD. This stat block includes AC 15, 152 hit points, speeds, traits, and actions.
Multiattack - The vrock makes two Shred attacks.
Shred - Melee Attack Roll: +6, reach 5 ft. Hit: 10 (2d6 + 3) Piercing damage plus 10 (3d6) Poison damage.
Spores - Constitution Saving Throw: DC 15, each creature in a 20-foot Emanation originating from the vrock. Failure: The target has the Poisoned condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. While Poisoned, the target takes 5 (1d10) Poison damage at the start of each of its turns. Emptying a flask of Holy Water on the target ends the effect early.
Stunning Screech - Constitution Saving Throw: DC 15, each creature in a 20-foot Emanation originating from the vrock (demons succeed automatically). Failure: 10 (3d6) Thunder damage, and the target has the Stunned condition until the end of the vrock’s next turn.