Uber Labyrinth
The Uber Labyrinth, also known as the Eternal Labyrinth, is a challenging end-game dungeon:

Access and Trials: To enter the Uber Lab, you must complete six trials found in end-game maps and obtain an Offering to the Goddess. This item can be purchased or  acquired through gameplay.
Survival Tips: Equip a character build capable of handling high damage and navigating traps effectively. The Uber Labyrinth is known for its difficulty, so preparation is key.
Efficient Farming and Crafting
Farming Currency
Farming currency efficiently can accelerate your progress:

Treasure Chests: Look for treasure chests in maps and the Uber Labyrinth. These chests can contain valuable items and currency.
Optimize Routes: Develop efficient farming routes to maximize the number of maps and areas you can cover in a given time.