Merchant of All Worlds

In the main world, I am the only one with the law of farming in all realms The time traveler Gu Yan suffered an inexplicable heart failure when he was twenty years old. At the moment before his death, he activated the gate of all realms that can travel through all the heavens and realms. Just when he thought there was no hope of his survival. The monetary system of the first world gave him a surprise. "In this world, life can be directly traded." "A cup of coffee can redeem three minutes of life!" "The most important thing is that I can also transfer my life span to people in other worlds through a time chip." Life span and future technology in the world of time Precious metals in the overworld Cultivation techniques in the world of martial arts Anti-Japanese War Zombies... I am the only one who colonizes all worlds This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.