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First, they sent the Earth Knights to mine on Mind Island, followed by dispatching Cross·Thorn to the Great Whirlpool, accompanied by a meticulously reinforced two-masted sailing ship.
The ship was equipped with highly-accurate sextants, Magic Platforms, and other devices for positioning.
After reaching the Great Whirlpool, Ach directly pushed the two-masted sailing ship into it, while Cross clung to the main mast, anxiously keeping his eyes fixed on the Whirlpool Deep Well at the whirlpool's center. The ship was surrounded by a dense array of crystal spotlights designed to illuminate the environment.
Liszt rode the Little Fire Dragon Leo circling above the Whirlpool Deep Well, his special telescope aimed at the inside, waiting for the sailing ship to enter and cast light into the depths, hoping to discover some new secrets.