Hey guys it's been a long time since I was active on nu so I forgot a good cn novel it was something like a male mc. He is alchemist but no master I don't remember if he had memories or not he had rival with almost same level of alchemy and rival had master both were in city to find treasure in outer realm. And in start of was in lower level world where he go in valley where he found devil and his treasury master was high level being from higher level with disciple with perfect alchemy body also love interest of mc. He go to alchemy kingdom to find some kind of paste. He also had some kind of special fire as well. And in higher realm he was kidnapped by man carrying coffin.
Martial Peak, all was confusing until the you said "coffin carrying man" i cant post links but that is the name Martial Peak