Thick Carapace. The water Leviathan is covered by a thick coat of dirt and rocks, making so that any nom magickal damage directed at its carapace is halved.

Legendary Resistance. If The water Leviathan fails a saving throw, it can choose to succeed instead 3 times per day.

Magic Resistance. The water Leviathan has advantage on saving throws against spells and other magical effects.

Vines. Melee Weapon Attack: +13 to hit, reach 25 ft., one target. Hit: 17 (3d6 + 7) Bludgeoning damage, and the target is Grappled (to escape: DC 21). Until ungrapple, the target is Restrained. water Leviathans have up to 6 vines that can grapple.

Frightening Spores. The water Leviathan ejects spores in a 30 feet radius from anywhere in it's surface. All creatures in the area, must succeed on a DC 20 Constitution saving throw or be stunned for 1 minute. Creatures can repeat the saving throw at the end of each of their turns.

Legendary action.The air Leviathan can take 3 legendary actions, choosing from the options below. It regains spent legendary actions at the start of its turn.

Vine Attack. The air Leviathan can make one vine attack.