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 (general) might have been a "strategos" rather than a satrap. Neoptolemus managed only to create havoc in Armenia, which suggests that he wasn't cooperating with any existing satrap. As Neoptolemus had a reputation of being restless and unsettled, Perdiccas regarded him with suspicion. So in 321 BC, when Perdiccas set out for Ptolemaic Egypt, he placed Neoptolemus under the command of Eumenes, who was told to exercise particular vigilance regarding Neoptolemus. Perdiccas' suspicions turned out to be well founded: Neoptolemus immediately entered into correspondence with the hostile Macedonian leaders, Antipater and Craterus, and, on being ordered by Eumenes to join him