Imu and the Five Elders seemed to have mentioned the Mother Flame, the crucial energy source that could make this weapon function again.
In essence, it could even be understood as nuclear power. Vegapunk's ultimate goal was to create an artificial sun.
One key reason the Mother Flame worked was that it, too, was technology from the Ancient Kingdom.
Vegapunk had created the Mother Flame using technology he researched from that Ancient Robot.
Nine hundred years ago, the Ancient Kingdom had not only created a powerful weapon capable of instantly destroying an island,
but had also created the immense energy source capable of powering it.
After the Ancient Kingdom was destroyed, this machine fell under the control of Imu and the Five Elders, but its energy technology was lost. That was until Vegapunk created the Mother Flame.
At last, this weapon regained its power and could be activated once more.
That was the reason the Kingdom of Lulusia was destroyed in the original story.
After Imu confirmed that the Mother Flame truly worked, he immediately dispatched the Five Elders, Marine Admirals, and other top-tier forces, leading a war-level Navy fleet to Future Island to seize Vegapunk's inventions.
The Fusion Reactor needed to produce the Mother Flame, as well as the traitor who possessed the technology.
If the Five Elders obtained York and those things, they would be able to continuously manufacture new Mother Flames.
Then Imu could continue using this weapon to destroy every island that resisted his rule.
During this process, the sea level would continuously rise, and more and more islands would be submerged, until the sea level reached a certain point.
All islands would be swallowed by the sea, and the world would sink beneath the ocean. Therefore, after the Lulusia incident, Vegapunk should have immediately realized