Killua is systematically torn apart, suffering massive blood loss as he struggles to comprehend the rules of this invisible game. Strategy Over Raw Power
When the brother throws a dart on a real board at their base, a "dart fish" materializes only at the moment of impact on Killua's corresponding body part. Hunter X Hunter 2011 Episode 101
Using his Godspeed (Kanmuru) lightning reflexes, he catches the final dart at the millisecond it materializes. Killua is systematically torn apart, suffering massive blood
Despite his win, the victory is bittersweet. The blood loss is so extreme that Killua collapses, nearing death in the dark caves. His final thoughts drift toward Gon, apologizing for not being able to continue. Killua is systematically torn apart
He tracks every point hit on his body, mentally subtracting them from 501.