Deep Abyss -

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.

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

Players find "Sealed Abyss Artifacts" (white shining light in the world) that need completing to get "Faded Abyss Artifacts," often rewards from main story chapters. Ascending from the deeper layers triggers the "Curse

White Whistles, like Bondrewd, are the most experienced, able to survive the harshest curses. or avoiding specific tubes and guns

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