Ride a horse while being covered by an ender dragon:
Note: Minify the command to avoid issues :)
RANDOM COMMANDS IN ONE
WORD CHEST TROLL
USELESS SELF-NUKE COMMAND
MEDICINE DEALER
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)