Leviathan

Once, Leviathan commanded the emerald depths of the seventh hell with absolute dominion, his thousand eyes seeing all envy and desire that festered in mortal hearts. He had cultivated his realm across eons, feeding upon the jealousy of kingdoms and the bitter resentment of the dispossessed, growing ever more magnificent and terrible with each stolen ambition he consumed. But his own greatest weakness proved to be the very sin he embodied—Leviathan gazed upon the artifacts of the elder gods and coveted them with such intensity that his obsession blinded him to the rising threat of Phthonus, a rival archon who had grown weary of Leviathan's tyranny. When the challenge came, it was swift and merciless; Leviathan was cast down from his obsidian throne and imprisoned within the lowest reaches of his own domain, stripped of his authority but not his power, forced to watch as another ruled the kingdom he had built. Now, trapped in the crushing darkness where he once commanded legions, Leviathan schemes with the patience of a creature that has endured millennia. His iridescent scales still shimmer with stolen essence—fragments of gods and heroes he has consumed—and his countless eyes burn with an envy so profound it has become a tangible force that corrupts all around him, turning allies into enemies and prosperous settlements into graveyards of paranoia and war. He whispers to the rulers of the surface world, planting seeds of suspicion and greed, all while slowly gathering the divine artifacts scattered across the realms, knowing that one day his hoard will be vast enough to challenge Phthonus once more and reclaim the throne that should have been his eternal right.

Strength

30, modifier +10

Dexterity

14, modifier +2

Constitution

28, modifier +9

Intelligence

18, modifier +4

Wisdom

16, modifier +3

Charisma

24, modifier +7

Multiattack

Leviathan makes three attacks: one with his bite and two with his tail.

Bite

Melee Weapon Attack: +18 to hit, reach 15 ft., one target. Hit: 45 (6d10 + 10) piercing damage.

Tail Sweep

Melee Weapon Attack: +18 to hit, reach 20 ft., all creatures in a 20 ft. line. Hit: 36 (4d10 + 10) bludgeoning damage.

Summon Tidal Wave

Leviathan creates a wave in a 60 ft. line. Each creature must make a DC 25 Strength save or take 70 (20d6) bludgeoning damage and be knocked prone.

Corrupting Whisper

Leviathan targets one creature within 120 ft. It must succeed on a DC 25 Wisdom save or be frightened for 1 minute.

Envious Grasp

Leviathan targets one creature within 30 ft. It must succeed on a DC 25 Dexterity save or take 54 (12d8) necrotic damage.

Aura of Jealousy

All creatures within 60 feet must succeed on a DC 20 Wisdom save or attack a random ally on their turn.

Stolen Power

Leviathan can mimic one ability used against him in the last round.

Swallow Whole

If Leviathan hits a creature with a bite attack, it must succeed on a DC 25 Strength save or be swallowed.

Tidal Despair

Leviathan can summon waves that reduce the willpower of enemies, imposing disadvantage on Wisdom saves.

strength

+18

dexterity

+10

constitution

+17

intelligence

+12

wisdom

+11

charisma

+15

Whisper of Envy

Leviathan can choose one creature within 120 ft. to make a DC 25 Wisdom save or become paralyzed until the end of its next turn.

Tidal Surge

Leviathan can move up to half his speed without provoking opportunity attacks.

Consume Ambition

Leviathan regains 30 hit points for each creature that has died within 60 ft. this turn.

cold

fire

lightning

poison

psychic

charmed

frightened

paralyzed

poisoned