Killua Zoldyck

Killua Zoldyck is the deuteragonist of Hunter x Hunter — a former child assassin from a legendary killer family who finds, in friendship, a reason to live for himself.

Background

Born into the infamous Zoldyck family of assassins, Killua was trained from birth in the arts of killing. Meeting Gon at the Hunter Exam gave him his first true friend — and the courage to break free of his family's expectations.

Powers & Abilities

Ability	What it does
Transmuter Nen	Converts his aura into electricity
Godspeed	Electrifies his body for blinding speed and reflexes
Assassin training	Lethal skill, stealth and poison resistance

Personality

Cool, clever and a little mischievous, Killua hides deep insecurity behind his confidence. His growth — learning to value himself through his friendship with Gon — is one of anime's most beloved arcs.

Relationships

• Gon Freecss — his best friend and the person who set him free.

Role in the Story

Killua is the prodigious heart of the series, and his loyalty to Gon drives many of its greatest moments.