Volcanic Crab

Earthwalker: Volcanic Crab is unaffected by difficult terrain.

Trembling Stride: Each creature within 5ft of Volcanic crab takes 2 Bludgeoning Damage for each 5ft Volcanic Crab Moves.

Multi-Attack: Volcanic Crab makes 2 Rock Pincer and 1 Pyroblast attack.

Rock Pincer: Melee Weapon Attack, +12 to Hit, 2d10+7 Bludgeoning Damage, any creature hit by this is automatically grappled (Escape DC 18) taking 1d10 Bludgeoning Damage at the start of each turn they are grappled, max 2 targets grappled.

Pyroblast: Ranged spell attack, 60ft range, one creature, +12 to hit, 4d6 Fire Damage

Eruption: (recharge 5 or 6) Volcanic Crabs volcano back erupts, each creature within 20ft of it makes a DC 18 Dexterity Saving Throw, on a fail taking 8d8 Fire Damage and has its movement speed reduced by half.

Magma Leak: Volcanic Crab can deal 1d8 Fire Damage to each creature within 5ft of it.

It Burns, It Burns: At the start of a creatures turn that has taken Fire Damage from Volcanic Crab, Volcanic Crab can make them take half the Fire Damage Again.