Vibrant Thunder is a gained exclusively from special flutes won from world bosses, and/or from an egg from the Heroic Dragon Gotcha. It is a Traditional model and is colored in shades of blue with an orange patch underneath its eye. Players who defeat any of these bosses in a world boss fight have a chance of winning a Vibrant Thunder flute: * Corrupted Ironclaw Dragon * Regal Emerald Dragon Queen * Lokane Emberstorm * Kronos' Phantom * Shadow of Hadubis and Yermizaar * Thunderous Ragewing Dragon King * Gaesis' Offspring