Actions

Multiattack. The bonewrought behemoth makes two greataxe attacks and one gore attack.   Greataxe. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 17 (2d12 + 4) slashing damage.   Gore. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) piercing damage.   Sweep (Recharge 5-6). Each creature within 10 feet of the bonewrought behemoth must make a DC 14 Dexterity saving throw or take 3d12 slashing damage and be knocked prone. After using this action, all attack rolls made against the Bonewrought Behemoth have advantage until the start of its next turn.

Reactions

Shatter. As a reaction to taking bludgeoning, piercing, or slashing damage from a weapon or spell attack, the bonewrought behemoth can increase the damage the attack deals by 5. If it does, all creatures within 5 feet of the bonewrought behemoth take 7 (2d6) piercing damage).