Ging's account: The Dark Continent's taboos and the Five Great Calamities

Above the ruins of NGL, the evening breeze carried the lingering scent of gunpowder. Ging Freecss stood before the others. The elite Hunter who had created Greed Island and traveled across much of the human world now wore an expression graver than any he had shown before. Gon leaned against Killua, his face as pale as paper. The Nen inside him kept draining away like shifting sand, and fine cracks covered his once-vibrant Nen Channels. Using a Nen Ability was out of the question; even maintaining the most basic circulation of Nen was extremely difficult. He looked up at the man before him, the father he had spent countless days and nights searching for. He felt no resentment, only a trace of unease. "Mr. Ging, my Nen... can it really only be restored with sap from the World Tree on the Dark Continent?" Ging crouched and gently rested his fingertips on Gon's wrist, slowly sending Nen inside to examine the damage to his Nen Channels. His brow furrowed deeper and deeper. "Your Nen Channels collapsed under extreme emotion and an explosive release beyond what your body could withstand. The Medical Nen and Nen medicinal ingredients available in the human world can, at best, stabilize your injuries. They can't repair the shattered foundations of your Nen Channels. The World Tree is a tree of life that grows on the border of the Dark Continent. Its sap can reconstruct Nen Channels. It's the only thing that can save you." "The Dark Continent... what kind of place is it, exactly?" Killua asked, looking up. As the young heir of the Zoldyck Family, he had heard countless legends about the Dark Continent, but all he truly knew was that it was a forbidden land even the Assassin Family dared not enter lightly. Ging stood