Pietro was a close friend of Leorio. He died from a debilitating illness. His passing left Leorio feeling deeply remorseful about being unable to save his friend, as the illness was entirely curable, but required a surgery he could not afford. Since then, Leorio aspires to become a doctor and takes part in the 287th Hunter Exam. (Source: Hunterpedia)
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Pietro was a close friend of Leorio. He died from a debilitating illness. His passing left Leorio feeling deeply remorseful about being unable to save his friend, as the illness was entirely curable, but required a surgery he could not afford. Since then, Leorio aspires to become a doctor and takes part in the 287th Hunter Exam. (Source: Hunterpedia)
