Entity 303 Command. Command that adds a boss fight with entity 303 to your world! The infamous entity 303 a myth? Discover short videos related to entity 303 in minecraft command on tiktok. Entity 303 only one command! If you got problems using the minecraft commands on a server, put minecraft:give instead of give at the beginning of the command. Well done with this command, the animated wings of entity 303 are spectacular! By marionette321 minecraft avatar marionette321 · en 1.11.2 /summon .