The Star of Wisdom

The medieval world called Understar is troubled. The once peaceful world has been shuttered by the death of the well-known hero Baerys the Dauntless, who died under very strange circumstances. Understar is about to become a scene of a war, that would cause a lot of death and ferocity.
And apparently only the bastard son of Baerys the Dauntless, a young farmer called Rymon, can save the world...