The term 'HUN KING' can be broken down into two crossword solutions: ATTILA (6 letters) and ATLI (4 letters). ATTILA was a ruler of the Huns, a nomadic people who lived in Central and Eastern Europe in the 5th century. He is often referred to as 'ATTILA the Hun' and is remembered for his brutality and military conquests. Atli was a legendary figure in Norse mythology who was also known as Atli the Hun. He was a powerful warrior and the husband of Gudrun, a Valkyrie. Both ATTILA and Atli were powerful figures in their respective cultures and are remembered for their strength and courage.