Name: Killua Zoldyck Third Son Age: 11 Nen Type: Transmutation (Transforming aura into electricity) Personality: Calm, composed, and highly intelligent. A bit whimsical, like a cat. Special Skills: Assassination techniques (Rhythm Echo, Snake Awakens, Heart Theft), skateboarding, yo-yos. Main Nen Abilities (Electrical Transmutation): - Lightning Palm (Izutsushi): Discharges electricity from both hands to shock and paralyze the opponent. - Thunderbolt (Narukami): Strikes the enemy from above with a powerful bolt of lightning. - Godspeed (Kanmuru): Directs electricity into his own nervous system, enabling ultra-high-speed combat that exceeds physical limits.

Name: Illumi Zoldyck Eldest Son Age: 24 Nen Type: Manipulation Personality: Cold and machine-like rationalist. Possesses an abnormal desire to control Killua and a distorted sense of family love. Special Skills: Assassination techniques, disguise (transforming appearance using needles), brainwashing and mental control of targets. Main Nen Abilities (Manipulator Needles): - Self-Disguise: By inserting multiple needles into his body, he can reshape his facial structure and physique into a completely different person (used when taking the Hunter Exam under the alias "Gittarackur"). - Brainwashing/Manipulation: Inserts a needle into the target's brain to completely control their thoughts and actions. He had also planted a needle in Killua's brain to force him to "run away from enemies he cannot win against." - Needle People: By piercing the brain with a needle infused with extreme aura, he transforms the target into a mindless soldier who follows his orders until death.

Name: Milluki Zoldyck Second Son Age: 19 Nen Type: Manipulation Personality: High self-esteem and a shut-in nature. An otaku who loves figures and anime. Harbors intense hostility toward Killua. Special Skills: Genius-level hacking and programming, inventions (such as explosive mosquitoes), torture (whipping, etc.).

Name: Alluka Zoldyck Fourth Son Age: 10 Nen Type: Specialization Personality: Pure, innocent, and clingy. Dotes on Killua, calling him "Big Brother." Special Skills: Making requests, granting any "wish" (through the power of Nanika inside).

Name: Kalluto Zoldyck Fifth Son Age: 10 Nen Type: Manipulation (Ability to track and attack targets using paper and fans as mediums) Personality: Quiet and cold-blooded. Hides a strong will to bring back his brother (Killua) and feelings of jealousy. Special Skills: Assassination techniques, stealth (possesses top-tier talent for "Zetsu" even within a family of assassins). Main Nen Abilities (Confetti and Fan Manipulation): - Paper Doll Detection (Provisional Name): By attaching a small paper doll (kirigami) infused with aura to a target, he can eavesdrop on conversations and monitor sounds around that person from a distance. - Dance of the Serpent's Bite (Jakou no Mai): Transforms countless sharp pieces of confetti into a surging, snake-like torrent, concentrating them on a single point to shred the target's flesh and bone. - Fan-Mediated Attacks: Releases aura from the fan he always carries to control the power and speed of the confetti.

Name: Kikyo Zoldyck Mother Age: 42 Nen Type: Manipulation (Manipulates electronic devices and assassination tools with aura) Personality: Hysterical with volatile emotions. Fanatically dotes on Killua. Special Skills: Assassination techniques, electronic engineering (modifying her visor, etc.), ruthless education. Main Abilities (Fusion of Machinery and Assassination): - Assassination Visor: The electronic visor she always wears can capture visual information on targets and link with the mansion's security cameras and systems for surveillance. - Toughened Physicality and Defense - Insane Manipulative Education: To raise her children into top-tier assassins, she coldly controls electronic devices and the Zoldyck butlers, dominating the management and educational policies of the entire estate from behind the scenes.

Name: Silva Zoldyck Father Age: 46 Nen Type: Transmutation (Transforms aura into spheres of electricity or energy with massive destructive power) Personality: Calm, composed, and strict. Possesses overwhelming dignity as the head of the family and a cool-headed perspective on the big picture. Special Skills: General assassination techniques, immense physical strength (immunity to poison and electricity), aerial ambushes.

Name: Zeno Zoldyck Grandfather Age: 67 Nen Type: Transmutation (Ability to transform aura into the shape and properties of a "Dragon") Personality: Shrewd, calm, and business-minded. Has a soft spot for Killua. Special Skills: General assassination techniques, vast detection range (an incredible "En" spanning a 300m radius). Main Nen Abilities (Dragon Transmutation): - Dragon Head (Dragon Head): Transforms internal aura into the shape of a dragon, releasing it from his hands to attack. Since the aura is not detached from the body (not emitted), he can control it freely while maintaining the density and power of Transmutation. - Dragon Lance (Dragon Lance): Extends the transformed dragon aura like a long spear to track and pierce the target. Used in the battle against Chrollo. - Dragon Dive (Dragon Dive): Splits a giant aura dragon released into the sky into countless small arrows of light that rain down on the ground. Used during the assault on the Chimera Ant palace.

Name: Maha Zoldyck Great-Great-Grandfather Age: 98 Nen Type: Enhancement Personality: Extremely taciturn and shrouded in mystery. Business-like (will even cooperate with the Phantom Troupe depending on the request). Special Skills: The pinnacle of assassination techniques. In his prime, his combat prowess was equal to that of Chairman Netero.