The destruction of the Flower Realm back then and its eventual collapse was definitely a major event that shook the heavens. Therefore, many people in the Forsaken Heaven Immortal Realm knew about it.
As for why the Flower Realm was destroyed, not many people knew.
However, the struggles between the various worlds in the Nine Heavens were similar to the struggles between the various large sects, families, and factions in the Immortal Realm.
It would never stop. Even though the Immortal Realm seemed peaceful on the surface, undercurrents were still surging.
No one knew if any large faction would suddenly be destroyed one day.
Li Fire Realm, Great Yan Palace.
A stooped old man with a sinister expression looked at the golden scroll in the sky, killing intent surfacing in his eyes. "She's still alive!"