This novel centers around Ophelia Grimm, a necromancer who enters a deadly competition called Phantasma to save her sister. The story unfolds in a haunted mansion where contestants face nine treacherous trials, each inspired by Dante's Inferno. As Ophelia navigates these challenges, she forms a complicated relationship with Blackwell, the enigmatic Prince of Devils, who has his own dark past linked to the contest. The narrative explores themes of love, courage, and the burden of legacy