This the the optional datapack that added a crafting recipe for ancient debris, check out modpack here. The whole point of this datapack is too make it so you can get enderite without leaving the end. I have a challenge for you download my modpack, and bedtrap yourself in the end, set up a command block to tp you to the outer ends islands, and try to survive.
Get every advancement, full set of every new ore, kill the dragon 20 times, and have fun.