Xim Xam the Current in Monstrosity form.

Stone Camouflage. The grick has advantage on Dexterity (Stealth) checks made to hide in rocky terrain.

Electric Skin. Whenever Xim Xam is hit with a melee attack or attacks with a melee attack, the opponent rolls a constitution save (13) or becomes stunned.

Multiattack. Xim Xam makes one attack with its tentacles. If that attack hits, the Xim Xam can make one beak attack against the same target.

Tail. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 11 (2d6 + 4) bludgeoning damage.

Tentacles. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 22 (4d8 + 4) slashing damage.

Beak. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 13 (2d8 + 4) piercing damage.

Once Xim Xam has been defeated in this Grick form, he will revert back to his original form and continue the fight. His skin sparks with electricity causing the Stunned effect to happen whenever contact is made.