Pack Tactics. The runner has advantage on an attack roll against a creature if at least one of the runner's allies is within 5 feet of the creature and the ally isn't incapacitated.
Multiattack. The runner makes two melee attacks.
Dagger. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 5 (1d4 + 3) Piercing damage.
Hand Crossbow. Ranged Weapon Attack: +5 to hit, range 100/400 ft., one target. Hit: 5 (1d6+3) piercing damage.
As quick and cunning as they are they can take a bonus action on each of your turns in combat. This action can be used only to take the Dash, Disengage, or Hide action.