Uruk Infernal Guard

Ashborn: This creature is immune to the effects of cold weather (not extreme cold as explained in the Dungeon Masters Guide), immune to the poison condition, immune to fire damage, and may interact with Ashsteel Equipment.

Ashsteel Shield: If this creature is targeted by an attack, and the attack roll is 1-2 below the Uruk Infernal Guard AC, a single creature within 5ft of the Uruk Infernal Guard may take 1d6 fire damage as a free action.

One with Fire: This creature can cause metal weapons to deal an additional 1d4 fire damage. Ashsteal weapons deal a 1d6 additional fire damage instead. (Already included within the attack description.

Multi-Lingual: All soldiers of Uruk are expected to know a number of languages, the standard Duergar commoner would know dwarvish and maybe 1 more.

Multi-Attack: The Uruk Infernal Guard may make 2 melee weapon attacks.

Heat Metal: The Uruk Infernal Guard can heat 1 metal object it can touch, making it glow white-hot briefly. Any creature in physical contact with the object takes 2d6 fire damage. If the metal is on a creature, the creature and Uruk Infernal Guard make a contesting dexterity saving throw and check respectively.

Ashsteel War Hammer: Melee Weapon Attack: +6 to hit, reach 5ft. one target. Hit: 9 (1d8+1d4+3) bludgeoning damage and 3 (1d6) fire damage.

Volatile Spit: Ranged Unarmed Attack: +6 to hit, reach 10ft. one target. Hit: 2 (1d4) fire damage.

Calling Orders: A slave within earshot may make 1 attack action as a reaction immediately against an enemy creature.