"Sky Island... Sky Island..."
When the study fell silent again, Imu stared at the holographic projection and muttered to himself.
The story Stussy had told earlier had given him an idea.
He remembered there being an enormous vine that stretched straight into the clouds.
In the future of the 'original timeline,' Luffy had even dragged the Golden Bell up it round after round to beat Enel senseless.
What if this kind of Heaven-Piercing Vine were used as a spiral staircase connecting the Underworld and the surface?
It sounded rather interesting, and it had the distinctive flavor of the Sea Star Homeworld.
Besides that.
Imu also thought of a film he had once watched called Jack the Giant Slayer.
It had also become one of the mission worlds within the Main God Space.
The vine in it served a purpose rather similar to what he wanted to do.
The only difference was that one connected upward to the giants' kingdom, while the other connected downward to the world of giant beasts.
Could the vine's growth direction be reversed as well?
The former rose from the ground into the sky. Perhaps the latter could descend from the sky to the ground?
Imu seized upon the inspiration, his mind working at breakneck speed.
Above the Underworld lay the Red Line's rock strata beneath the feet of those on the surface.
Where would the sky come from?
Could he create a White Sea in the Underworld, along with several Sky Islands?
Then let the vine grow upward from there, pierce through five thousand meters of rock strata, and reach the surface of the Red Line?
That seemed to fit the idea of descending from the sky to the ground.
Yet Imu still felt that something was missing. It was not magical enough, nor was