The Last Unicorn of Arden

The Last Unicorn of Arden is the last existing unicorn of Arden.

History
When the last unicorn of Arden helped Prince Martin turn his sister into stone, the unicorn also turned into stone, and became Unicorn Rock.

The Unicorn Quest
In the first book of The Unicorn Quest trilogy, Mira Fray tried to awaken the last unicorn, but she failed because while Sophie Martinson was a princess, she was not a Gemmer princess. Later, Claire Martinson successfully awakened the unicorn, and he healed Sophie.

Secret in the Stone
During the second book, the unicorn is injured and travels to Woven Root to heal. He experiments with Sena's parents in the seams of the world, and gets himself and Sena's parents trapped in the Way Between.

Fire in the Star
In the third book, the unicorn returns to Arden. He goes to Nadia and he gets the guilds to agree to crown Nadia. However, Estelle and her Royalists find him and kills him before he can bless the Crown of Arden.