Battera's Lover

Battera's Lover was an unnamed woman.

Greed Island arc
Despite being in love with a billionaire, she didn't want to be viewed as the materialistic type and so she returned all the expensive gifts that Battera sent her and only accepted the crude presents that he made by himself. They had decided to leave everything behind and start a new life together but unfortunately an accident left her in a state of deep unconsciousness which she can never come out of.

Battera has spent a large part of his fortune purchasing many copies of the game Greed Island and hiring many Nen users to play it with the hope of obtaining a special healing item, namely the Breath of Archangel card from the game to save her. However, she dies before any player can clear Greed Island. After her death, Battera is heartbroken and cancels the 50 billion Jenny reward for finishing the game.