After defeating the Ender Dragon in Minecraft, players can engage in the following activities:
1. Explore and loot End cities to obtain an Elytra and gather treasures like enchanted gear and shulker shells.
2. Kill shulkers to collect their shells and craft shulker boxes for enhanced portable storage.
3. Collect the Dragon Egg using a piston or torch trick, which can be displayed or used to respawn the Ender Dragon.
4. Build a base in the End using End stone and purpur blocks for aesthetic structures.
5. Create an Enderman XP farm to harvest experience points and a supply of Ender pearls.
6. Use experience from the Ender Dragon defeat to enchant gear, summon a Wither, and craft a beacon with the Nether Star.
7. Map out all End gateway portals that appear after defeating the Ender Dragon, unlocking access to additional outer End islands.