You know what this scene really reminded me of?
In that last page in the bottom left, "dragons call forth storm clouds after all"; that quote just stuck with me.
I feel like it all makes sense. The world nobles are called "celestial dragons". The seiryu fruit that kaido ate was stolen at God Valley. Afterward the marines tried to clone kaido's fruit at punk hazard. Now Imu has some sort of ancient weapon that can destroy islands, which eerily creates clouds and releases giant energy blasts? I wonder what that could be?
In Oda's one shot, Monsters, the villains have a magic horn that they can use to summon a dragon. This is the same oneshot where Oda created the character Ryuma.
My guess is that Uranus/Imu's weapon is something very similar. There is a powerful dragon out there, maybe its a real dragon, maybe it was created by a DF, maybe its mechanical, idk. But its power is far greater than Kaido's and Imu can control it.
