 Helenos revealed to them that they could defeat Troy if they could acquire the poisonous arrows of Heracles (then in Philoctetes' possession); steal the Palladium (which led to the building of the famous wooden horse of Troy); and put Achilles' son in the war.In response to the prophecy, the Greeks took steps to retrieve the arrows of Heracles and bring Neoptolemos to Troy.Odysseus was sent to retrieve Neoptolemos, then a mere teenager, from Scyros.