Argoth Scorpion

Pack Tactics. When two or more Argoth Scorpions are within 30ft of each other they all gain a bonus +2 to AC, as well as a bonus +1 to attack and damage rolls. 

Potent Venom. saves against becoming poisoned by an Argoth Scorpion are at disadvantage. Poison damage dealt by Argoth Scorpions make immunity to poison resistance instead, and removes resistance to poison if the target is not immune but is resistant.

Multiattack. The scorpion makes two Claw attacks and one Sting attack or Venom Shot attack. It can replace one claw attack with a second Sting attack or Venom Shot attack.

Claw. Melee Attack Roll: +6, reach 5 ft. Hit: 6 (1d6 + 3) Bludgeoning damage. If the target is a Large or smaller creature, it has the Grappled condition (escape DC 13) from one of two claws.

Sting. Melee Attack Roll: +6, reach 5 ft. Hit: 7 (1d8 + 3) Piercing damage plus 11 (2d10) Poison damage.

Venomous Shot. Ranged Attack Roll: +6, range 15/60 ft. Hit: 8 (1d8 + 4) Piercing damage plus 12 (2d12) Poison damage.

Hasty Burrow. When targeted by a ranged spell or weapon attack, the Argoth Scorpion can use its reaction to burrow 10ft underground, reducing the incoming attack's to hit by 1d12, possibly causing the attack to miss.