I Am the Firmament is a Manga/Manhwa/Manhua in english language, REINCARNATION 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

"Bro, before you kill me, can you tell me what your martial arts technique is called? Oh yeah, if possible can you tell me what can counter it?" With the martial arts technique generator in his hands, Ye Hai, who reincarnated, finally felt that the novels he read and movies he watched over the years were not in vain! With 30 million techniques in his brain, invincibility is only what he thinks of! All martial arts techniques can be created whenever! Invincible, determined, and even the author can't stop him!