Invincible Ancient

He was just an ordinary human, struggling in living his life and barely making his ends meet, an orphan who had been abandoned with just a suspicious letter from his parents and a pendant saying his destiny awaits him, It was his 20th birthday and it is supposed to be a happy occasion but as he wakes up he finds himself in another place far away from earth and anyone he was close with. Just what is it that awaits him and what is his DESTINY. Will it be a happy ending for him or is he going to die before reacing the end of his path...