You can respawn the ender dragon as many times as you want. You need to place four end crystals on the edges of the exit portal. For more information, see the official wiki. 
It’s infinite, but you only get 500 xp by killing it.
Is there a limit to respawning the ender dragon?
Ender Crystals are renewable (glass can be traded and Eye of Ender and Tear of Ghast are renewable) so there is no limit.
Can you spawn the ender dragon again?
This image shows how the player can arrange the end crystals to make the ender dragon appear again. Players can resummon the Ender Dragon after the battle by placing four End Crystals on the edges of the exit portal, one on each side.
What happens if you kill the ender dragon 20 times?
Endgame: Defeat the Ender Dragon 20 times and get Pegasus (Flying Horse). After defeating the Ender Dragon 20 times, a white winged steed awaits you as a reward when you return to the world. … When mated with another horse, you only get a normal foal.
Can you get the ender dragon egg twice?
The Dragon Egg, a decorative egg-shaped block. You can only get one from each world. You get it after defeating the ender dragon in the end. You can’t get another one by defeating the ender dragon a second time, but I beg you to try!
Can you tame the ender dragon?
After that you can tame it with Chorus Fruit and it will be tamed like a cat (not a dog because it takes WAY too much damage) and can be ridden with a saddle. … 3
Can you kill Ender Dragon twice?
You can respawn the ender dragon as many times as you want. You need to place four end crystals on the edges of the exit portal. For more information, see the official wiki. It’s infinite, but you only get 500 xp by killing it.
Can you tame an ender dragon?
After that you can tame it with Chorus Fruit and it will be tamed like a cat (not a dog because it takes WAY too much damage) and can be ridden with a saddle. …
What is the best weapon to kill the ender dragon?
A diamond sword is best, but a trident will do, too. Bow/Crossbow. A ranged weapon is paramount to defeating the Ender Dragon as it spends much of its time flying.
What happens if you lose the ender dragon egg?
No you can not. You only get it when you kill the ender dragon for the first time. You have to use cheats.
How do you hatch an ender dragon egg?
You need to start digging right next to the egg, reach 3 blocks and dig the side where the egg was stored and place a bed there. Now you have to break the blocks that are between the bed and the egg. Now the egg falls on the bed and breaks so you can take it home.