Rune King

Rune King is a Manga/Manhwa/Manhua in (English/Raw) language, Manhua series, english chapters have been translated and you can read them here. The Summary is
He is a senior high school student born in Leigu’s hometown of Huangshi District. In the beginning, he didn’t even have the qualifications to become a Talisman, but relied on the upgrade system to change his fate, he continued to grow, and even became the commander-in-chief of the Eastern Theater. He led mankind and fought back against the Runestone army. Drove them back to the wormhole of time and space, and regained the peace of the earth.