One door, one rule. Getting it wrong means death.
In order to find the truth behind his brother's death, Lin Jue walked into the "Door of Nonexistence" numbered 404.
Ability comes at the cost of memory. The closer he gets to the truth, the more he forgets about his brother.
Until the man who returned from 404 told him:
"Your brother is indeed not dead. - It's just that he became me."
