Descent of the Predecessor 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

The sealed myths and legends have returned to reality. A world where all gods and dragons are liberated, and demons and ghosts have come back. The awakening of humans. The emergence of heroes. A new era of mythology has opened. This story is a narrative about the war and love of the heroes who live in the new era of mythology, or perhaps a new myth.