Groo helped search for the DibbunsRuggum and Bikkle, and helped escort them safely back to the Abbey. Groo was also one of the searchers for Brockhall the first time, and he saved Malbun Grimp from being killed by Wicky. Later, he helped defend against the crow attackers, and escorted the searchers safely back to the Abbey.
After the three serpents were discovered to be a menace to the woodlanders, he kept his tribe at Redwall for a time. He took an intense dislike to Bluddbeak meeting him for the first time, but later admitted that he died a hero. After helping the Redwallers in the fight against the Freebooters and Ratguards, he and his tribe retired back into Mossflower.