Ender Dragon HP Configurer

This datapack allows you to configure the ender dragon’s health.

To edit the amount of hp the dragon has, you have to go in the file then go in the data file then go to spiral then go in the file called functions then open the file tick.mcfunction.
In the first line of the text file
(attribute @e[type=minecraft:ender_dragon,limit=1,tag=!hpfix] minecraft:generic.max_health base set 500)

The last number of the line is the amount of health the ender dragon will have when it spawns!