Everyone: Mage? No! in Fact, He Is an Assassin!

Hundreds of years ago, the coming of the great will merged countless world planes. The laws of the world have been changed and the game has come to reality! Facing the invasion of alien races, only by becoming a professional can you become a strong man in the world! But there is such a mage who seems to be particularly strange. Who said that fighting between mages can only involve throwing magic at each other? I'll be invisible and secretly touch your waist! Who said that knights with thick flesh can't lose blood for a few seconds? Want to know more about a nuclear explosion on your face? Who said a mage can't have the heart of an assassin? Do you want to know about Fa Ci? I am the ghost in the shadows! I am the god of death wandering on the battlefield! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.