A massive, unexplored chasm in the earth filled with mysterious artifacts and deadly creatures.

Ascending from the deeper layers triggers the "Curse of the Abyss," a physical and mental affliction caused by the changing pressure, which grows harsher the deeper one goes.

It consists of seven layers, with the 7th layer being the deepest confirmed, at over kilometers deep.

An optional "tricky" tower in the southern Steel Mountains that unlocks higher sections of the Abyss. 4. Roblox Abyss Mechanics

Organisms here are highly specialized to survive extreme pressure and lack of sunlight, relying on organic matter drifting down from above. 2. Made in Abyss (Anime/Manga)

A quest involving finding a toilet, door, and power relay to unlock the teleporter and air pockets.

Involves buying, using, or avoiding specific tubes and guns, with dedicated, efficient gear progression to farm "Abyss cells".