Multiattack. The brute makes two fist attacks.

Claws. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 22 (3d10 + 6) slashing damage.

Rock. Ranged Weapon Attack: +9 to hit, range 50/100 ft., one target. Hit: 30 (7d6 + 6) bludgeoning damage.

Head Collector. A vampire brute is an expert at collecting its favorite trophies— heads. Once it has pinned a foe, it can attempt to behead the victim with a single gut-wrenching rip of its claws. This attempt is made as part of the grapple check to maintain an existing pin, and if successful, deals 4d6+18 points of damage to the victim. If this damage is enough to bring the target below 0 hit points, the victim must succeed at a DC 15 strength save to resist having its head torn from its body, which results in instant death for most creatures.  If radiant damage is dealt to the brute the grapple is released.