This Datapack adds a new item: the Casted Pumpkin.
To get the item, first set up a cauldron with water on top of a soul campfire. Then, throw into the cauldron an amethyst shard and a carved pumpkin and you'll get the item. RightClick it to equip it on your head.
Whenever you drop water to an enderman while wearing the pumpkin on your head, it will drop an eye of ender.
Everytime an enderman drops an eye of ender there's a 75% chance for the pumpkin to break