sentences:  When he and Sigma are on board the Madō Train, he attempts to reason with his brother again, as well as giving the Flash Knight armor to Sigma, claiming that it belongs to Sigma.Sigma however, is unmoved, and demonstrated his ability to summon the Jaaku armor and brands Leo with the Seal of Destruction.Seeing that now there is no hope in reasoning or saving his brother, Leo no longer refers Sigma as his brother and vows to cut him down himself.