Crabmeat

Amphibious. The crab can breathe air and water.

Claw. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) bludgeoning damage, and the target is grappled (escape DC 11). The crab has only one claw which can grapple an enemy.

Harpoon. Crabmeat releases a harpoon with a rope attached , dealing 1d8+2 piercing damage at a range of up to 40 feet. On a successful hit, the enemy is considered grappled due to the harpoon piercing through them. As a bonus action, he can retract the rope and forcibly move the creature 20 feet towards him in a direct line. This movement does not provide Attacks of Opportunity.

Pistol. Crabmeat can fire a flintlock pistol dealing 1d12+2 piercing damage with a range of 20/60. The creature must then succeed on a DC12 STR check or be knocked prone. This pistol has the reload quality.

Blunderbuss. Crabmeat can fire a blunderbuss at a range of 10/20. This deals 2d6 piercing damage and 2d6 force damage as shrapnel. The target must succeed on a DC14 CON save or be stunned until crabmeats next turn. This ability can be recharge by rolling 1d6, and rolling a 5 or 6 at the end of Crabmeats' turn.

Hand Cannon. Crabmeat can fire a small cannon from their arm attatchment that deals 8d6 fire damage in a 30 foot sphere. This weapon deals double damage to structures. This action can reloaded using a full turn of crab meats actions as well a their reaction.

Fog Cloud. Crabmeat can cast the spell fog cloud once per day.

Change Weapon. As a bonus action, crab meat can change the attachment on his missing claw, with the assistance of another creature's reaction or bonus action.