List of characters in the Camp Half-Blood series
Bianca di Angelo - A daughter of Hades, Nico's older sister, Percy, Thalia and Jason's cousin and later, a Huntress of Artemis. After Artemis is kidnapped in The Titan's Curse, she undertakes the quest to rescue her alongside Percy Jackson, Grover, Thalia Grace, and Zoë Nightshade. She sacrifices her death and harbors hard feelings for him for a while afterward.