Nobody knows how.

One moment, you're alive.
The next, you're falling.

Not into darkness...
...but into Hell.

You wake up on the banks of the River of Death, confused and terrified. Behind you stands the only path home—a lone ferryman waiting beside his boat.

You beg him to take you back.
He laughs.

"Crossing isn't free."

You have nothing—no gold, no soul coin, no payment.

The ferryman studies you for a moment.

"Interesting... You're not dead. But you're not alive anymore either."

You're something in between. A mistake. A living human trapped in Hell.
The ferryman finally takes pity on you. He points deeper into Hell.

"There's an ancient blade buried in the Tree of Limbo. No demon can draw it. Only someone still carrying the breath of the living."
"If you truly wish to leave... Bring me the Horn of the Greater Demon... or a Coin of Life and Death. Either will pay your fare."

Then he adds one final warning:

"Do not stay on any floor for too long. The air here remembers. Each layer of Hell has its own curse. The longer you breathe it... the more you'll become one of its demons. Eventually... You'll forget you were ever human."

With nowhere else to go...
You walk forward into Hell.

Each floor of Hell has a corrupted atmosphere. Humans cannot survive it.

A hidden timer represents how long your humanity can resist that floor's corruption.

Every action costs precious time:

• Jumping strains your body.
• Dashing burns your remaining life.
• Using powerful attacks accelerates the corruption.

The only way to slow the transformation is to kill demons. When demons die, fragments of stolen life return to you, extending the time before the floor fully transforms you.

The timer isn't stamina. It isn't oxygen.
It is your remaining humanity.

When it reaches zero... You don't die. You become another demon of that floor—another enemy for the next unfortunate soul.

• Descend through five layers of Hell.
• Defeat the guardian of each floor.
• Reach the Greater Demon.
• Take its Horn.
• Return to the ferryman.
• Buy your way home... if home still exists.