Blackavar is a supporting protagonist in the Richard Adam's novel and adapted series, Watership Down. A rabbit from Erafra, who joined Hazel's group, after a life of torture, caused by Woundwort's rabbits, Blackavar briefly appears in the final events of Heroes vs. Villains War, assisting Hazel's group in the battle against Queen Grimhilde's forces, not before falling to McLeach's minion, Joanna.

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