In 'Heroes of Might and Magic: Olden Era', players who choose the Necropolis faction can leverage a variety of powerful units that focus on overwhelming their enemies through sheer numbers and debilitating tactics. The Skeleton Archer stands out as a reliable backline unit with good weekly growth, making it an essential part of any early-game strategy. The Merchant of Death introduces poison attacks and the ability to summon additional units, enhancing the player's offensive capabilities. The Sanguine Lich serves as a defensive powerhouse, restoring health to allies and reviving fallen units, which is crucial for maintaining momentum in battles. The Hollow Reaper brings high attack power and morale-reducing abilities, making it a formidable opponent on the battlefield. Lastly, the Vampire Scholar not only deals significant damage but also sustains itself through vampirism, allowing it to remain a threat throughout engagements. Each unit's unique abilities and strengths can significantly impact gameplay, depending on the player's strategy and hero choices.