Clockwork Leviathan

Family: Clockwork

Huge construct, unaligned

Armor Class 21 (natural armor)
Hit Points 171 (18d12+54)
Speed 30 ft., swim 60 ft.

STR DEX CON INT WIS CHA
23 (+6) 18 (+4) 16 (+3) 1 (-5) 11 (+0) 1 (-5)

Damage Immunities fire, poison, psychic
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks that aren’t adamantine
Damage Vulnerabilities lightning
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses darkvision 120 ft.; passive Perception 10
Languages understands the languages of its creator but can’t speak
Challenge 12 (8,400 XP)

Special Traits

  • Winding. A clockwork leviathan can function for two weeks every time it is wound. A creature of at least Medium size can use an action to wind the clockwork soldier, restoring to it 1 hour of operating time; a creature of Small size can wind it at half this speed, and Tiny or smaller creatures are generally unable to wind the leviathan.

Actions

  • Multiattack. The clockwork leviathan makes two attacks: one with its bite and one constrict.
  • Bite. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 13 (2d6 + 6) piercing damage.
  • Constrict. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 15 (2d8 + 6) bludgeoning damage and 22 (4d10) slashing damage, and the target is grappled (escape DC 20). Until this grapple ends, the creature is restrained, and the clockwork leviathan can’t constrict another target.
  • Steam Breath (Recharge 5-6). The clockwork leviathan exhales scorching steam in a 60-foot line that is 5 feet wide. Each creature in that line must make a DC 15 Dexterity saving throw, taking 54 (12d8) fire damage on a failed save, or half as much damage on a successful one. A clockwork leviathan’s breath weapon functions equally well above and underwater.

About

Clockwork leviathans are equally capable of functioning on land and in water. Sailors who are haunted by the memories of these treacherous machines need not exaggerate their yarns, for the reality of an aquatic construct such as this holds enough terror in its story for even the hardiest of seafarers.

A clockwork leviathan’s numerous metal plates and links are made of such resilient material that they never rust, even after long exposure to the briny sea waters that leviathans often patrol like massive, eel-like dragon has two webbed talons. Its tail ends in large and powerful-looking flukes.

As a constructed being, a clockwork leviathan doesn’t eat, breathe, drink, or sleep. If it is not wound, it eventually becomes inert until it is wound again.

Clockwork leviathans are equally capable of functioning on land and in water. Sailors who are haunted by the memories of these treacherous machines need not exaggerate their yarns, for the reality of an aquatic construct such as this holds enough terror in its story for even the hardiest of seafarers.

A clockwork leviathan’s numerous metal plates and links are made of such resilient material that they never rust, even after long exposure to the briny sea waters that leviathans often patrol. Clockwork leviathans are 25 feet long and weigh just over 3 tons.

Section 15: Copyright Notice

Sea Monsters (5E) © 2021, Legendary Games; Authors Michael Ritter, Michael “solomani” Mifsud, Robert J. Grady, Mark Hart, Jeff Ibach, Alex Riggs, Scott D. Young, Jeff Lee, Matt Kimmel, and Jason Nelson.

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