As you requested - one of the new wings from Terraria 1.2.
Finding a moth for the first time was quite exciting, seeing it had 1000 hp and all. Seeing that it dropped items to make wings made it even more delicious. I'm not certain that the drop is 100% as I'm quite sure I have a recording were it didn't drop (just couldn't find it in time for the video).
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The Butterfly Wings are one of the variants of craftable wings, a flight-enabling item in the...