Multiattack. The groundling makes two attacks, using Claw or Dagger in any combination.
Claw. Melee Attack Roll: +5, reach 5 ft. Hit:12 (2d8 + 3) Slashing damage. If the target is a Medium or smaller creature, it has the Grappled condition (escape DC 13) from one of two paws.
Dagger. Melee or Ranged Attack Roll: +5, reach 5 ft. or range 20/60 ft. Hit:5 (1d4 + 3) Piercing damage plus 7 (2d6) Poison damage.
Go to Ground. Trigger: The groundling is hit by an attack roll while it is on the ground. Response: The groundling halves the damage (round down) it takes from that attack.
Skulking Hybrid Servitors