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Riku reincarnated on Whale Island and obtained the Trait Plunder System, continuously plundering traits, stacking, synthesizing, and upgrading them!
    Starting as the boss of a fish shop on Whale Island, he slaughtered countless fish for ten whole years!
    [Brute Strength] (White) accumulated 100,000 times, upgraded to [God-Slaughtering Power] (Black)
    [Weak Poison] (White) accumulated 100,000 times, upgraded to [Toxin of Calamity] (Black)
    [Weak Electricity] (White) accumulated 100,000 times, upgraded to [World-Destroying Lightning] (Black)
    ...
    When Riku left Whale Island and stepped into the Hunter Exam arena.
    Murder Clown Hisoka: "I admit, sometimes an overly ripe fruit can be fatal."
    Netero: "We old timers have already been left behind by this era!"
    The dying Ant King Meruem: "You must have used your full strength by now, right? Riku."
    The world's strongest, all six Nen categories maxed out, humanity's number one powerhouse, Chimer...