Obsession and Madness

Characters are driven to obsession by supernatural forces or objects, such as O'Brien's fixation on the crystal and the 'Crystal Circe,' leading to madness, loss of self, and tragic transformation.

Arnsen's growing obsession with the crystal drives him to extreme measures, including summoning an ancient sorceress.

Arnsen is obsessed with the crystal and the memory of Circe, driving him to the brink of madness.

O'Brien's fixation on the gem and his vision of a woman suggests an obsessive and potentially maddening influence.

O'Brien's single-minded pursuit of Deirdre, driven by the gem, borders on obsession and space-madness.