Might be reincarnation or transmigrated Had over 1000k chapters In protagonist world, nobody had become a Xiantian lifeform through physical training whey were all Qi refiners. He becomes first with help of a special meteorite and hellish training had a bitter sweet ending if memory recalls correctly I think this was made into a Chinese tv series at some point
Yes thank you following the link I found it in my completed list I can’t believe it’s been 6+ years since I’ve read it