Unknown visitor, Unknown invitation!

In a peaceful kingdom, a guy named Azroths live lonely due to his parents death. After giving his all effort to avoid being overpowered by sadness through avoiding dungeons and keep conversing in town instead, a change occurs to him upon receiving invitation of an unknown visitor. Doubting the invitation knowing there are no possibilities he can get one, he read it uninterested. There he had learn something which is unknown! A word "magic! " what could it be? Well, It is not different from Azroths question. It gives him interest as it says magic can give extraordinary power to a person. But aside from it, he knows nothing! Only thing on his mind is... This one sure is an unknown phenomenon!!