Always bridge carefully or use potions of slow falling to avoid dying from fall damage in the void. If you'd like, I can:
You do not need to beat the Ender Dragon to get an elytra, but it makes navigation safer. sky's the limit 2048x
Use this to speed up processing in modded versions like ATM9 To The Sky. Always bridge carefully or use potions of slow
Enter the ship, defeat the Shulkers, and locate the item frames at the back of the ship. defeat the Shulkers
Open the chests on the ship for enchanted diamond gear and extra Elytra.
This guide focuses on the "Sky's the Limit" advancement in Minecraft, which requires obtaining Elytra. Based on the 1.21+ updates, Phase 1: Preparation (Pre-End)