"after the events with the Phantom troupe, Killua and Gon felt a lack of power and abilities, he was exceptional in all areas, but they were afraid of being too weak for the next fights"

"They found out from books and older people about an extremely powerful nen user with a rare and destructive aura, he was hiding in one of the highest mountains on the continent"

"The boys climbed the mountain with ease, they were in a huge and dense forest, very relaxing but dangerous, in the middle of the trees lived this nen user, they were close..."