Regressing with the Kings Power is a Manga/Manhwa/Manhua in english language, Adventure 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

“I’ll eat all your skills!”, ‘f*ck this awakening bullshit’, ‘To hell with being a loser.’ Kim Taehyun, whose awakening level remains undetermined, was treated as a loser because he failed to awaken. However, he awakened his ability at the moment of his death when a gate was created which lead to the king. Afterwards, Taehyun, who has returned due to the power of the king, gains a new skill called Predation. Taehyun, a 35-year old male, regresses to when he was 19. [Skill has been devoured]. Using this power, I can be placed among the best