Helmet Crab

Armor Class 14

Hit Points 93 (17d6 + 34)

Speed 30 ft.

Initiative +2

Senses passive Perception 10

Languages —

Challenge 3 (700 XP)

Multiattack. The crab makes two claw attacks.

Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) slashing damage plus 5 (2d4) acid damage.

Corroding Claw (Recharge 6). The crab corrodes a nonmagical ferrous metal object it can touch. If the object isn't being worn or carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 12 Dexterity saving throw to avoid the crab's touch.