Terry Pratchett's Trunk

Origins
Terry Pratchett is a British author best known for his fantasy series Discworld, which has been translated into various languages for the entire world to enjoy. He announced on December 2007 that he had early Alzheimer’s, and has donated to research of the disease.

Effects
A mahogany trunk transformed by the adoration and belief of his fans. No matter where it's owner goes, it will always follow them. It's methods of transport and how it chooses a master are unknown.