Harry is destined to destroy Voldemort. Harry, Ron, and Hermione go looking for horcruxes. Tonks, Lupin, and Fred die. Voldemort duals Harry and Harry wins.
Answer: Argos is a symbol of loyalty. Argos is Odysseus's old dog. When Odysseus returned from his 10 years of wandering in the ocean, Argos was the first to recognize his master.
