Royal of demi-god child separated from parents and raised in a normal, modest world but they soon prove they are extraordinary.

They usually have a teacher or adviser.

They have a set of adventures where a brush with death or death of a comrade. Magical weapons or items can be obtained or the hero/heroine might have had them from the beginning.

A desire to conquer or confront death (journey to the underworld, nequia I think, or something like that) fills the protagonist.

Other common aspects of an epic involve the finding and naming of lands, seizing a kingship, and the desire of the hero or heroine to prove themselves the best against others.

Use some of these basic ideas and make your own.