Pack tactics: You have advantage on an attack roll against a creature if at least one of your allies is within 5 feet of the creature and the ally isn’t incapacitated. 

Hoard: when near defeat the xorcs can call for backup.  The dm rolls a d10 a 6 or higher results in 2 xorcs showing up. This ability can be used once per battle.

Action Melee Attack. Unarmed strike, these monsters do a 1d8 + their strength modifier

Throw object:   the xorcs Throw a random item dealinga d4 of damage.

Dig: as a bonus action these monsters can burrow and attack from below.  On the creatures next turn as a bonus action it can attack from below.

Pack renewal: as a reaction once per turn the xorcs can regenerate a 1d6 plus the amount of xorcs in the area.