Jail-cell Titan (5e Creature)
From D&D Wiki
Large beast (Titan), chaotic evil
Chained If within 10 ft. of Jail-cell Titan, your speed decreases to 10 ft.
Wrecking Ball Melee Weapon Attack: +3 to hit, reach 10 ft., one target. Hit: 4 (1d6 + 2) bludgeoning damage.
Stomp Martial Melee Attack: +4 to hit, reach 5 ft., one target. Hit: 2 (1d4 + 0) bludgeoning damage
The can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The regains spent legendary actions at the start of its turn.
https://www.pinterest.co.uk/pin/665125438710905678/?nic_v2=1a1BakWGA The Jail-cell Titan is a giant, muscular humanoid with pale gray skin, it has chains hanging from it's arms and back and a massive helmet with a wrecking ball hanging from the top, it cannot speak, and deeply hums to express itself. The helmet is adorned with a red light on either side, and a spiked collar around it's neck. You can see it's face through the vertical metal bars before it.