: Short dialogue sequences between combat levels.
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
: Massive story events where players work together to take down "World Bosses" that threaten the entire subterranean civilization.
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.