If one of its growths attaches to something else, Torpworm can find it wherever it goes, pursuing it with diligence. Law enforcement often use this Pokemon as a method of tailing suspects in search of evidence.
The growths on its fin can detach and attach to anything else. Torpworm can then track that growth no matter where it goes.
Diligent and cautious, it never acts without making sure the coast is clear, scanning the surface with its third eye while underground.