Emma discussed the only son of their masters, telling Riku the primary reason why he died at a young age.
His name was Darius Claverine one of the magical knights of the Colonary a long time ago. He was the type of guy that used for peace, that's why he went to the Rattin Kingdom to propose to have unity so that they can stop the war. But for no apparent reason, King Tryna betrayed him.
To begin with, Darius Claverine was assigned to be the representative for the unity between the two kingdoms which were the Colonary King and the Rattin Kingdom. At first, everything is smooth, they have a peaceful conversation until King Tryna orders thousand of his men and a high-level commander to attack him at once.