Azog The Defiler

Aggressive. As a bonus action, Azog can move up to his walking speed toward a hostile creature that he can see.

Rage (3/Day). While raging, Azog gains the following benefits: Advantage on Strength checks and Strength saving throws has resistance to bludgeoning, piercing, and slashing damage, and movement speed increases by 15 ft. While in rage the Azog can also attack recklessly for a round. Rage lasts for 1 minute.

Savagery.  Weapon attacks score a critical hit on a roll of 18,19 or 20.

Brutal Critical. Azog can roll two additional weapon damage dice when determining the extra damage for a critical hit with a melee attack.

Blood Frenzy. Azog has advantage on melee attack rolls against any creature that doesn't have all its hit points.

Dwarf Slayer. Azog has slain countless dwarven folk throughout his life. He has become highly efficient in dispatching them. Anytime Azog attacks a dwarf he has a +2 to hit and damage.

Legendary Resistance (4/Day). If Azog fails a saving throw, he can choose to succeed instead.

Multi-Attack. Azog can perform four total attacks. Two with his Armblade and Mace.

Armblade. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 24 (4d6 + 10) slashing damage. The target creature must make a DC 12 Consitution saving throw. On a failed save the creature will continue to bleed for 1d4 every round until it is passed. On a successful save nothing happens.

Mace. Melee or Ranged Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 24 (4d6 + 10) bludgeoning damage. On a successful hit, the target creature must make a DC 19 Constitution saving throw. On a failed save the target creature will lose its reaction. On a success, nothing happens.

Skull Bash. Azog can Skull Bash a grappled creature. The target creature must succeed a DC 19 Constitution saving throw. On a failed save 1 level of cripple is received to the head as well as stunning them for a round. On a successful save nothing happens.

Disarming strike. Azog using either of his weapons will make a grapple check with the target creature. If the target creature fails the save they are disarmed and the item they were wielding is flung 15ft from them.

Potions:

Superior Healing Potion (3/Total). 10d4 + 20 health is regained

Revenge: In response to being hit by a physical attack, Azog can perform a single attack with his Armblade or Mace.

Parry. Azog will add his proficiency bonus to his AC for a single oncoming attack.

Reposition. When Azog is the target of an attack he can choose to swap places with another creature within 5ft of himself. Any willing creature will be automatically swapped. A non-willing creature will require a grapple check. On a successful grapple check by Azog, they will swap positions. On a fail, Azog will remain in the same place he started.

Azog The Defiler has four legendary actions.

Movement (Costs 1 Action).  Azog can move up to his walking speed.

Attack (Costs 1 Action). Azog can perform one attack action.

Drink Potion (Costs 1 Action). Azog can drink a single potion.

Call For Reinforcements (Costs 2 Actions). Azog can blow a rallying horn to summon 2 random Uruks to come to his aid. They will appear within 15ft of him or the closest nearest unoccupied space.

Uruks

1. Sapper
2. Berzerker
3. Foot Soldier
4. Defender