This is a update of the datapack "God Armor Returns" from RealTonyGamer, as I updated it to be compatible with netherite armors

To use it, throw any piece of armor, any type and level of protection, and a single diamond on top of an anvil. If it does not already have that type of protection, it will apply the enchantment immediately. It will up the repair cost tag on the armor, so I would suggest doing it last so you don't run into the "Too Expensive" bug.

Make sure to merge the highest level of the desired protection in your armor, because you can't higher it level up (If you have Protection III and Blast Protection III, they will never level up to IV)

It also works with bows, you can now merge Infinity and Mending togheter in the same bow

If you are looking to it's old version, look at the original creator page:
God Armor Returns Minecraft Mod (planetminecraft.com)