- Appearance: A tall dwarf in heavy armor adorned with gold and silver accents. He wields a two-handed axe crafted from rare ores. His helmet bears glowing red runes.
- Combat Traits: The Underground Overlord is a powerful melee unit that delivers devastating blows with his two-handed axe. He can wipe out light and medium units with just a few strikes. He has high resistance to damage.
- Magic: The Overlord's axe is enchanted with runes that can deal fiery or icy damage, enhancing his physical attacks.
- Key Features: Powerful strikes capable of breaking through enemy defenses. His high resilience makes him a fearsome opponent in battle.
Advanced Version: Master of the Depths
- Appearance: The Master of the Depths is even more intimidating. His armor is now covered with ancient runes, and his axe glows with fiery light. His helmet features massive horns, symbolizing his rank.
- Combat Traits: The Master of the Depths can strike multiple enemies with his axe. His blows have become even stronger, and the runes on his armor enhance his defense against magical attacks.
- Magic: The axe now releases waves of fire that deal area-of-effect damage. He can also temporarily enhance his attacks, increasing their damage output.
- Key Features: Mass area attacks and improved defense. His fiery strikes deal significant damage to enemy groups.