Gyro, the leader of NGL, grew up in a construction camp until he was twelve, learning to mix concrete and lay bricks before he could even speak. His abusive, near-silent father drank cheap booze after every shift; Gyro did not learn to talk until he was seven, and slept on the top bunk against the wall. By the time the story ends, Gon and Killua are limping back to the hotel, beaten.