Philoctetes for ten years. Helenus, the prophetic son of King Priam of Troy, was forced to reveal, under torture, that one of the conditions of the Greeks' winning the war was that they needed the bow and arrows of Heracles. Upon hearing this, Odysseus and a group of men (usually including Diomedes) rushed back to Lemnos to recover Heracles' weapons. (As Sophocles writes it in his play named "Philoctetes", Odysseus is accompanied by Neoptolemus, Achilles' son, also known as Pyrrhus. Other versions of the myth don't include Neoptolemus.) Surprised to find the archer alive, the Greeks balked on what to do
Neoptolemus captured Helenos, and made Andromache, then a widow, his concubine. The ghost of Achilles appeared to the survivors of the war, demanding Polyxena, the Trojan princess, be sacrificed before anybody could leave. Neoptolemos did so. With Andromache, Helenos and Phoenix, Neoptolemos sailed to the Epirot Islands and then became the King of Epirus. With the enslaved Andromache, Neoptolemos was the father of Molossos and through him, according to the myth, an ancestor of Olympias, the mother of Alexander the Great. According to Hyginus, his son with Andromache was Amphialos: [123] CXXIII. NEOPTOLEMUS Neoptolemus, son of Achilles and Deidamia, begat Amphialus