Break the item frame (not just the elytras) to grab the Elytra and get the "Sky's the Limit" advancement.
Always bridge carefully or use potions of slow falling to avoid dying from fall damage in the void. If you'd like, I can: sky's the limit 2048x
If you haven't defeated the Dragon, travel roughly 1,000 blocks away from the main island by bridging. Break the item frame (not just the elytras)
Provide a list of for your new Elytra. Give you tips on how to fly efficiently. Suggest mods that make flying even better. travel roughly 1