The illusionary scene Adrian’s group witnessed was a playback of the ancient battle between powerful beings against the evil dragons. After a fierce battle, the dragons were slain. However, their souls remained and the ancient beings could only seal them away. Nautica served as the core of these seals. If Nautica was destroyed, the entire Dragon Domain would be in danger as all the nine dragon souls would be released.
Suddenly, everyone felt dizzy. In the next second, they returned to reality.