In a not so distant past, mysterious structures emerged within the Ember's Realm. Sages called them signs of Armageddon, but Adventurers called them Dungeons.
Dungeons were challenged for treasure, fame, and experience...
But as it turns out, most dungeon survivors gave up being an adventurer.
People speculated that it is because of the horrors in the dungeons. Others said that they made a deal to the entities to never bother the Dungeons again.
Among these adventurers, there is one who's different.
That adventurer only wants one thing-- and it is to conquer Dungeons, one at a time.