Timeline: Set two years after the end of Dragon 4, Kassel Academy has repaired its relationship with the Secret Party, but undercurrents are still surging.
The story spans an abandoned scientific research station in the Arctic Circle, the Siberian Icefields and the Hidden Bronze City, showing the hidden heritage of the dragon civilization.
The suddenly resurrected Bronze City exposes the Dragon King's legacy, and the struggle between various forces hides a deadly trap that could subvert the hybrid world.
The execution department received a report of abnormal energy in the Arctic Circle, and the special operations team went deep into the Bronze City under the ice.
Concept: Fantasy