Ding Ding Ding! We have a winner!
I attained this mantle by way of war - Attained his power by defeating his father in a duel.
My mighty fist feared by all. - The fist of Rukt
I've lead through soil and sky and faith. - Lead his forces on his ship and on harvest. His faith in the forerunners drove him.But even I must fall. - Defeated by Tartarus in a duel, ended with him falling down the elevator shaft.
+1 to Whitehalomango