Time setting**: In 2052, the world has entered the "Superdimensional Game Era", and the neural access holographic game "Sanctuary" has become the second world of mankind.
- **Location setting**: From the holographic advertising forest on the Bund of Shanghai to the copy of Tristram corroded by the data storm in the game, the boundary between reality and virtuality is collapsing
- **Basic background**: The Diablo series has become an open world with a blueprint structure, and the World Stone has been embodied as the core of the quantum server. The protagonist Lin Nuo accidentally triggered a hidden protocol when creating a character and became the only necromancer with "real pain"
