Room Survival: I Made a Fortune by Making Sacrifices

[Room survival, absolute lead, decisive killing] Human beings around the world travel to a separate room to survive. Behind the door of the room is an independent world every five hours. In order to survive, all survivors must enter the world behind the door to explore. Collect supplies, upgrade rooms, and survive. The protagonist, Lin Ye, has the only SSS-level talent [Peer-to-Peer Exchange]. As long as there are two identical items, he can exchange the two items for a higher-quality item of the same type with a trait through sacrifice. From this, Lin Ye began his path to the lead in room survival.