Ancient Leviathan

Join of fear. The Leviathan can get so scared it will join even the best of peoples party.

Volcanic Breath. The Leviathan can Shoot Flames out of its mouth with extreme heats rivaling that of volcanoes

Breathable Air. The Leviathan can breathe air and water and even purify toxic air at the cost of poisoning nearby water

Back to the Water. The Leviathan jumps out of water and grabs a player and drags the targeting player into water, roll a 18 or above to escape with 20 damage, if the roll fails the player will be suspended in the water and be dealt 25 damage, has a 50% chance of hitting

Underwater Tackle. The Leviathan charges at any player in the water with extreme speed, does 16 damage with a 70% chance of hitting

Flaming Blast. The Leviathan shoots flames out at a player dealing 22 damage, has a 50% chance of hitting

Inner Hell. If exposed to a Death Serpent the Leviathan will be frightened and back away, if bitten by a Death Serpent the Leviathan will go unconscious, if exposed to a Bone Death Serpent the Leviathan will start to roar and back away, if the Leviathan cannot back away the Leviathan will curl up in a ball of fear, if attacked by the Bone Death Serpent the Leviathan will turn dormant for 8 turns and the water will be rid of all negative effects.

Back to Hell. If the Leviathan is in a pool of lava instead of water then the Leviathan's skin will melt off and only bones will be left behind, if there is a nearby Bone Death Serpent the Leviathan bones will surround the Bone Death Serpent and make an Unholy Amalgamation of death with three heads, all attacks deal 200% more damage, the leviathan will now be able to perform all bone death serpent attacks and is immune to physical damage, but it weak to magical damage.

War, Continued. If exposed to a Demon of the Book then the Leviathan will go to war with the Demon of the Book.

The Leviathan is an ancient creature predating humanity itself, who knows how many more there are...

Poison Splash (Costs 1 Actions). The Leviathan splashes the poisonous water everywhere within a 5 feet distance, players hit must roll a 15 or above to escape otherwise they will be dealt powerful poison damage that does 10 damage each turn

The Leviathan's existence as a whole is doubted, but say that to they thousands of bodys found afloat with burn and bite marks...

Fire Leap (Costs 2 Actions). The Leviathan leaps out of water and shoots fire in all directions, players not behind cover will be dealt 35 damage