Cave Troll

Pummel. When the Cave Troll hits a prone creature with a melee weapon attack, the attack deals an extra 10 (3d6) damage, and that target’s speed is reduced to 0 until the end of their next turn.

Sun Allergy. While direct sunlight shines on a troll it must make a DC 17 Constitution saving throw at the start of its turn.  If it fails, the troll is paralyzed, and must make another DC 17 Constitution saving throw at the start of its next turn or become petrified.

Siege Monster. The Cave Troll’s attacks deal double damage to objects and structures.

Multiattack. The Cave Troll makes two Greatclub attacks.

Sweeping Attack.  The Cave Troll makes a Greatclub attack against up to four adjacent enemies using a single attack roll.  Any adjacent creature missed by this attack roll is forced to move 10 feet away from the Cave Troll.

Greatclub. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 15 (2d8 + 6) bludgeoning damage, and the target must succeed on a DC 16 Strength saving throw or be knocked prone.

Rock. Ranged Weapon Attack: +2 to hit, range 60/240 ft., one target. Hit: 13 (2d10 + 2) bludgeoning damage.