If the crab could do the Crab Rave however, it could charm the Awakened Shrub with it's sick dance moves and win peacefully. Speaking of the Crab Rave, here's a link to my homebrew …

Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 20 (3d10 + 4) bludgeoning damage, and the target is grappled (escape DC 15). The crab has two claws, each of which can grapple only one target. Much bigger than a giant crab, a hulking crab has a …

Few monsters strike more fear into the hearts of sailors than the keelbreaker crab. These enormous crustaceans prey on ships caught in shallow water and decorate their shells with the wreckage left behind. Keelbreaker crabs are drawn to ships carrying magical cargo, as well as to the enchanted, living figureheads that often adorn such vessels.

Crab Folk The crab folk are the result of a magical ritual used long ago by a mighty green hag to transform her ogre minions into more useful servants. All crab folk that now exist are descended from

The crab makes one claw attack against each creature it has grappled, one at a time. Dire crabs are gigantic crabs that scurry across the ocean floor, feeding on anything they can catch in their massive claws.

The hermit crab can breathe air and water. ACTIONS. Claw. Melee Weapon Attack: +0 to hit, reach 5 ft., one target. Hit: (1d1) bludgeoning damage. Shell. The hermit crab retracts its head and limbs inside its shell, gaining a +5 bonus to AC. It may emerge from its shell as a bonus action on its turn.

Hit: 4 (1d6 + 1) bludgeoning damage, and the target is grappled (escape DC 11). The crab has two claws, each of which can grapple only one target. Source: Monster Manual.

Melee Weapon Attack: +0 to hit, reach 5 ft., one target. Hit: 1 bludgeoning damage.

Apparatus of the Crab . This item appears to be a large, sealed iron barrel, but it has a secret catch (Search DC 20 to locate) that opens a hatch in one end. Anyone who crawls inside finds ten (unlabeled) levers:

The crab can breathe air and water. Melee Weapon Attack: +0 to hit, reach 5 ft., one target. Hit: 1 bludgeoning damage. Source: SRD (CC-BY-4.0)