Amphibious. The krasis can breathe air and water.

Armored Hide. The krasis has better natural armor afforded by a shell or thick scales, increasing its Armor Class by 4.

Bioluminescent Markings. The krasis has glowing patterns on its skin that take the shape of defensive runes, granting it advantage on saving throws against spells and other magical effects.

Regeneration. The krasis regains hit points (5) at the start of each of its turns if it has at least 1 hit point.

Cryptic Skin. The krasis can change color to match its surroundings. It has advantage on Dexterity (Stealth) checks made to hide.

Heightened Awareness. The krasis can’t be surprised, as a result of having sensitive barbels like a catfish, stereoscopic vision like a chameleon, a tongue like a snake, eye stalks like a lobster, or an array of several eyes.

Multiattack. The krasis makes two attacks: one with its bite and one with its claws.

Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one creature. Hit: 17 (2d12 + 4) piercing damage.

Claws. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 17 (2d12 + 4) slashing damage.