I Wander All the Way Through the Apocalyptic Disaster

[Doomsday + no cp + natural disaster + rebirth + space] Xu Yin was betrayed by his companions. After waking up, he started to stock up crazily. This time he must survive the doomsday. I accidentally discovered that my ancient sword is space? Man and sword unite, I walk sideways in the doomsday. Hey, you bought a haunted house as a base? Who would be afraid of ghosts in the end of the world? The end is coming, and you will be a madman in a world where humanity has been lost.