Navigator: I have a double six-story house

Humanity was forced to participate in the "Age of Exploration." Su Qing became one of the newest captains, lacking the dazzling talent of other captains, and as an orphan, he had no parents to support him in his pioneering endeavors. His sister told him, "Brother, don't go for the full difficulty level; you're all I have." Su Qing nodded in agreement, then turned and dragged his best friend into the hellish difficulty dungeon. Because he had a magical double-six-room house...