Originating from the Mercian Highlands, Thorn became a member of the Crazy Kritter Freedom Fighters, under the leadership of Rob o' the Hedge. She and her teammates came to the aid of three members of the Chaotix when the trio came to Mercia looking for their missing teammates, Mighty the Armadillo and Ray the Flying Squirrel. Stumbling upon their guests locked in battle with the Mercia Dark Egg Legion, Thorn and the others joined in the fight, the Lop hitting a Legionnaire with a leaping kick after he had been warned to surrender by Friar Buck. With their foes defeated, the two groups exchanged introductions and stories, with Thorn and her teammates revealing that they had encountered Mighty and Ray. As Bow Sparrow explained-partly in song, which Thorn attempted to discourage given the co