About That Inferior Knight, Lv. 999 Manga:
“Hmm…I have no talent.”… is what Yuan grew up in the mountains thinking. He’s a normal kind-hearted boy, but of the unusual things about him, is that his parents are a sage and a master martial artist.
In other words, the world’s strongest. Since Yuan was told he was the weakest, he leaves home to make his dreams come true.