What if Imu is trying to make "them meet"

I'm sure you guys remember this from the Harley's First World description:

The earth god raged, and with its serpent of hellfire, shrouded the world in death and darkness.
And they will never meet.

So for me this is referring to the Red Line being erected and the separation of the seas into 4 seas, North Blue, South Blue, West Blue and East Blue. And then there's this from the Harley's Second World description:

The sun god dances and laughs, guiding the world to its end.
The sun returns and brings a new morning.
And they will surely meet.

For me this implies that ending the world is destroying the shrouded world, thus destroying the Red Line, and then "they will surely meet" is that the seas will all be merged into one again.

But what if Imu is also trying to merge the Seas but not destroy the shrouded world. I drew this from the conversation they have with Xebec, where they say that their world is still not complete. And so to achieve merging the seas back together without destroying the world, Imu just flood it all.

I feel like this reasoning could add more depths into Imu's character rather than just an evil villain trying to drown the world because evil. But instead Imu for some reason also wants to realize the prophecy but in their own twisted way.