Leorio Paradinight is a young adult who befriends Gon, Kurapika and Killua during the Hunter Exam while wanting to become a Hunter to pay his way through medical school and treat the impoverished for free. Leorio is later invited to become a member of the Zodiacs as the "Boar" and joins their expedition to the Dark Continent. Leorio's Nen affinity is Emission.