Urog, The Starved Beast

Shapechanger. The werewolf can use its action to polymorph into a wolf-humanoid hybrid or into a wolf, or back into its true form, which is humanoid. Its statistics, other than its AC, are the same in each form. Any equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies.

Keen Hearing and Smell. The werewolf has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Regeneration. At the 20 initiative Urog regains 2d6+Con mod health points unless he was damaged with a Silvered weapon or radiant damage.

Multiattack. (Humanoid or Hybrid Form Only). The werewolf makes two attacks: two with its Warpick (humanoid form) or one with its bite and one with its claws (hybrid form).

Bite (Wolf or Hybrid Form Only). Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 10 (2d8 + 2) piercing damage. If the target is a humanoid, it must succeed on a DC 17 Constitution saving throw or be cursed with werewolf lycanthropy.

Claws. (Hybrid Form Only). Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 9 (3d4 + 2) slashing damage.

Warpick (Humanoid Form Only). Melee: +4 to hit, reach 5 ft., one creature. Hit: 8 (2d6 + 2) piercing damage, or 10 (2d8 + 2) piercing damage if used with two hands to make a melee attack.

Call The Pack. (Any Form). One charge: If an enemy is within 10ft and it's not Urog's turn. Urog calls for a member of the pack to place them self's within 5ft of Urog and make one attack if there is a target within range.

Heart Of The Pack. (Any Form). Two Charges: Urog moves up to half his movement speed and can consume one corpse to regain 3d8 Hit points 

Hands Of The Pack. (Humanoid or Hybrid Form Only). Three Charges: Urog summons the members of the pack that have departed to make a 20ft square difficult terrain for 1 minute.