"Invincible + System + Decisive Killing + All Heavens and Worlds"
Chen Bufan, who has been traveling through time for 5 years, originally thought that like other time travellers, he had an awesome system and was invincible in the world.
The reality told him that he had no system. The frustrated Chen Bufan lived in the open air for five years without having to fish or cut firewood.
Finally one day... He came to the system!
