Ender Dragon

The ender dragon is a gigantic flying hostile boss mob found when first entering the End. She is the largest naturally spawning mob in the game and is widely acknowledged as the final boss of Minecraft.
During the battle with the Ender dragon, unique music called "Boss" plays. This happens for as long as the player fights the dragon, except when there is no player within 190 blocks from (0, 128, 0).
The Ender dragon has a light purple health bar that appears at the top of the player's screen. Her health is frequently restored by nearby End crystals, indicated by a magical white beam connecting the dragon and the crystal. Destroying an End crystal that is actively healing the dragon causes 10 damage to her.
The dragon can take damage only from explosions and player based damage, and takes damage of (1⁄4 × normal damage + 1) when hit on any part that is not her head. Suffocation is completely non-applicable, as she either phases through or immediately destroys any block she touches.
The dragon is immune to all status effects.