Dragon Soul Technique

Dragon Soul Seal is an ability that the Dragons used to be able conceal their souls within the bodies of Dragon Slayers.

Description
The Dragon Soul Seal ability allows a parent Dragon the ability to conceal their soul and Magic power inside the body of their respective Dragon Slayer, which in turn preserves their life force as well as providing antibodies to prevent the process of Dragonification. It has also been mentioned that this method was used for them to be able to travel 400 years into the present time.