Before the expedition narrated in the Doloneia, one of these objects that once belonged to Phoenix’s father Amyntor was given to Odysseus by Meriones. On the first day of the Trojan War, Achilles used either a rock or part of one of these objects to defeat an invulnerable king of Kolonai named Kyknos, who then turned into a swan. At the walls of Troy, Hector and Andromache laughed when one of these objects frightened Astyanax. Aphrodite broke one of these objects to save Paris from strangulation during his duel with Menelaus. The Cyclopes created one of these objects at the same time as Poseidon’s trident and Zeus’s thunderbolts. According to the Bibliotheca, Perseus used one of these objects to escape the Gorgons after the Hesperides gave it to him along with a bag and winged sandals. For 10 points, Hades owned what type of object that made its wearer invisible? ■END■
ANSWER: helmets [or helms; or caps; accept helmet straps, thongs, crests, or plumes; accept helmet of invisibility]
<Mythology>
= Average correct buzz position