Catastrophic Priest is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Global changes occur, the game becomes reality, and demonic disasters begin to wreak havoc. In order to resist all this, everyone must pick a class and level-up like crazy. Lin Ye awakens his god-level talent from the beginning, turning things around, and starts speed-running straight from the top dungeon. Priests are weak? If I use the healing technique, you might die!