Lord Of The Abyss 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.cc fastest updating comic site. The Summary is

Jiang Mingyu, who obtained mysterious powers in an accident, embarked on the road to upgrade the abyss system, and became a player in order to obtain a better life for his family. Faced with many challenges in the player's career, he found that the beginning of all this was not an accident, but an arrangement of fate in the underworld.