Seers desiring to be healed by the gods should slay a raven at an altar at midnight in the dead of winter. Nobles hoping to gain blessings from a spirit should consecrate a deer's skull with fire in a temple at dawn after the first frost. Anyone needing to undo a curse can offer the soul of another at a crossroads . Nobles hoping to avenge themselves can consecrate an animal with magic upon an altar under a full moon on the summer solstice.