Crak
Crak is a wolf caste fair folk from Nocturne. He is the alpha of a pack sent to capture Jasmine. He works for Trianna , referring to her as His Lady.
He dislikes the day and prefers to stay in the shadows.
SPOILER HERE:
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After Crak's pack failed to capture Jasmine and her companions, Sisdekal offered him a deal: Sisdekal would give Crak extreme power for a limited time in order to have a chance at revenge.
Crak accepted the deal, but still failed to defeat the group. He was killed in the fight.