A unicorn wakes on a slab in a mortuary, with no memory of who she is. Aided by a message tattooed on her back, and an acolyte of death itself, she embarks on a journey to regain her memory and the secret behind her apparent immortality. As she gathers companions and travels further into the many realms of the planes, a sinister enemy begins to reach out, and her mission gains new urgency.
What can change the nature of a mare?