so the first novel that im looking is cn novel the mc just ordinary person from the sect then some people from his sect order him to mountain at the mountain he found burial ground of god and devil from great war in the past he passed out in there but after he wake up he gain all memories from god and devil in there the mc personality you can say it like li qiye from Emperor Domination. as for second im looking for korean novel where mc attend in magic school i don't remember well about this one but there is side story where they tell the story of the mc previous classmate they say the mc always bring bad luck that make all of his classmate become expert in survival
have you tried everna, allblack, and enigma or animon? I thought their short stories are quite good though