Question: What act of a mythical hunter-warrior of Irish mythology won him the leadership of the Fianna?
Sentence (from "Diarmuid Ua Duibhne"): Diarmuid Ua Duibhne ( ) or Diarmid O'Dyna (also known as Diarmuid of the Love Spot), was the son of Donn and one of the Fianna in the Fenian Cycle of Irish mythology (traditionally set in the 2nd to 4th century).
Relevant evidence: No