returner of the global game (discontinued)

this the story of the mc and the world reincarnated in a game world where everyone is fighting for the top of the game world and be supreme jason miller returned to the past before the global game started and awakened a system called the 100 times amplification system Ding! [ Congratulation You have successfully constructed the demons cave! ] Ding! [ You've triggered a 100 times amplification! Congratulation You have successfully constructed the demon lords cave! ] Ding! [ You've successfully Summon 1 devil lord! ] Ding! [ You've triggered a 100 times amplification! You've successfully Summon 100 devil lords! ] and with that he tried to become the supreme one in this life with the help of his system so he can protect his loved one not like in his past life where he died a tragic death traying to save his loved one sorry to those that like this but this is just a trial and i'm making my real work now