You play as a newly appointed Captain of the Guardians. Your story begins with a desperate defense of a frontline outpost. As you progress through the game:
The peace is shattered when the —monstrous entities from the deepest, lightless trenches of the abyss—begins an invasion. Their goal is to consume the Mana Crystals, which would cause the underground cities to collapse into darkness and ruin. You play as a newly appointed Captain of the Guardians
In a world where the surface has become uninhabitable due to ancient cataclysms, the last remnants of humanity (or a mythical subterranean race) have retreated deep into the Earth. They built sprawling, bioluminescent cities powered by rare . For centuries, this "Inner World" lived in peace, guarded by an elite order known as the Underground Guardians . The Conflict Their goal is to consume the Mana Crystals,
: Personal backstories for the legendary characters you summon. For centuries, this "Inner World" lived in peace,
: Massive story events where players work together to take down "World Bosses" that threaten the entire subterranean civilization.
: Short dialogue sequences between combat levels.
: You lead expeditions into lost tunnels and forgotten ruins to clear out the Void corruption.