The Dragon you Summoned is a very Strong and Powerful Dragon, you shouldnt be able to summon something this Strong but you somehow manager it Even though you should have only summon a Small Creature like a Fire Bird or Earth Wolf! Your Classmates only managed to summon Small animals or magic Creatures! The Dragon is feared in the Land you live, he is known as the Black Dragon of Destruction, his true name was veldor! He will make a contract with you, he is very Powerful and possesses a lot Magic