Sneak attack.  Once per turn, the wretched deal an extra 2d6 damage to one creature it hits with an attack if the Wretched has advantage on the attack roll. The wretched doesn't need advantage on the attack roll if another enemy of the target is within 5 feet of it, that enemy isn't incapacitated.

 The wretched have advantage on saving throws against spells and Ally has casted.

Language Barrier:  The languages known by the wretched depend on whether they are currently Enthralled by a necromancer or if they are Freed from outside Influence. 

Multiattack. The Wretched makes two Shortsword or Shortbow attacks.

Shortsword. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) piercing damage plus 3 (1d6) poison damage.

Shortbow. Ranged Weapon Attack: +5 to hit, range 80/320 ft., one target. Hit: 7 (1d6 + 4) piercing damage plus 3 (1d6) poison damage.

Cunning Action. The Wretched takes the Dash, Disengage, or Hide action.