The Ender Dragon is a Hostile Boss Mob that was added in Update 1.0. It is considered the main boss of Minecraft.

What does killing the Ender Dragon 20 times do?

end-end game: defeat ender dragon 20 times and get pegasus (flying horse) After you've defeated the ender dragon 20 times, when you return to the overworld a white steed with wings will be waiting for you as a reward. When you ride it and jump off a cliff, you can fly it as if you were using elytra.

When did Minecraft add the end Java?

1.19 is a major update to Java Edition that overhauls the End, released on Tuesday, December 27th, 2022. This update was announced at Minecraft Live 2021.