MU Legend is a dark fantasy hack-and-slash MMORPG that combines traditional dungeon crawler elements with action RPG mechanics. Players explore a vast world filled with both solo and cooperative content, including procedurally generated dungeons, Blood Castle challenges, and the Endless Tower. The game features four character classes with extensive skill customization options and area-of-effect abilities from the start. Combat systems support both PvE and PvP gameplay, offering 1v1 duels, 3v3 team battles, and 16-guild territory wars. Built on Unreal Engine 3, the game accommodates various PC specifications while maintaining the series' signature dark atmosphere established by its predecessors MU Online and MU Origin.