Demon Monarch: the Global Traveler Asked Me to Come Out

The world has ushered in a time-travel craze, and Gu Yan has become the only devil in the abyss. At this moment, the abyss world has just been born, there is only a sea of ​​demons, and everything is waiting to be done. As the supreme monarch of the Abyss, Gu Yan's goal is to promote the Abyss. With the help of the system, other travelers from the earth will, intentionally or unintentionally, obtain the alchemical array that summons demons. Therefore, Gu Yan also has the opportunity to go to other worlds to replenish the foundation of the abyss. However, the price of summoning a demon is very heavy—— Traveler Xiao Yan: What's the difference between you and Thief Cao? Give back my wife Medusa! Traveler Ai*lu: Give me back the Thunder Fruit... And Nami! Traveler A, B, Bing and Ding: Give me back... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.