Global Profession: All My Skills Are Forbidden spells is a Manga/Manhwa/Manhua in english language, manhua series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Soul Transmigration to a Different World, Lin Han finds himself in an era where games and reality merge. Here, there are countless dungeons, forbidden areas, and secret realms, with powerful monsters rampant. On his first day of class transfer, Lin Han misses out on his dream warrior profession! Instead, he awakens as the only hidden class – the Life Sacrificer! At a critical moment, \[Ding! Ten Thousandfold Amplification System Awakening!\] Lin Han’s attributes increase ten thousandfold, and his basic skills become forbidden-level spells! In the name of a close-combat support, he unleashes unlimited forbidden spells to sweep the floor!