Aruto

Aruto (アルト, Aruto), a video game-only character protagonist of Hunter × Hunter: The Stolen Aura Stone, is a boy from a village that had the Aura Stone robbed by the Phantom Troupe. He chases the Spider with the only remaining Aura Stone's pieces/fragments.

Nen
Aruto is a very rare/unusual person with Specialist Nen ability whose power is immeasurable.