My Legion and I Have Unlimited Upgrades

Ye Yi traveled through time and came to a new world full of supernatural powers. The system in his body allows him to continuously recruit dead souls to form an army to fight for him. There is also a card pool within the system to recruit strong men from all over the world. Sword Saint Wu Ming, Sword God Li Chun Gang, Li Xuanyuan, God of War Xing Tian! The legion's combat power became increasingly outrageous, and as a result, Ye Yi could continue to upgrade the legion through the system. What do you mean by the fierce battle between humans and beasts for hundreds of years? Watch me end the war alone. Are you saying that the extraterrestrial demons are deliberately trying to destroy the human world? Sorry, I don't even bother to subdue a guy with that kind of strength. Let's see how Ye Yi continuously upgrades his strength through the system and creates an invincible army! ..... Carrying the infinitely upgraded legion, Ye Yi also learned the deepest secrets of the world step by step. What choice will Ye Yi face? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.