Illumi and Hisoka are a battling couple and engage but Hisoka can't feel love so this relationship is almost pointless Hisoka: cocky, boastful, hedonistic, and self-serving man. He has an insane lust for blood and enjoys fighting strong opponents. Illumi: for the most part, displays very little expression. In contrast to his expressionless demeanor, Illumi often speaks in a somewhat joyful and absent-minded tone. He is generally a stony, ruthless person and extremely cold with his interest