Sanren: My Skills Can Be Upgraded

[System flow] [Easy to] [Complaint flow] [National war flow] … Unserious version: Although parents in this world are mysteriously missing, But Gu Nianchen discovered that there was... The charming elder sister who seems to be particularly concerned about me, A beautiful assistant who is taciturn but extremely powerful. All kinds of strange mount pets, And above the demonic realm... A hundred kingdoms compete for hegemony! … Many years later, a reporter interviewed Gu Nianchen: "May I ask why your basic skill [Fire Storm] is more powerful than the forbidden curse?" Gu Nianchen: "It's very simple, you just need to upgrade it." Everyone: "???" … Serious version: Traveling through the psychic world, he possesses the "genius" of the same name. Gu Nianchen looked at the system introduction with a surprised look: There is a spirit god, but he cannot change his job? No, wait a minute... [Psionic Handle: You can use the basic skills of each profession at will] Looking at the system introduction, he fell into deep thought... Isn't this the legendary Sanren flow? ! "And... My skills... Can be upgraded?!" The long-standing heart in Gu Nianchen's heart began to beat violently again! "This time, I will go all out and leave no regrets!" … This is the story of a time traveler who cannot change jobs and takes the system with him to become a hexagonal warrior in a different world.