This mod adds enderite, a new material better than netherite.
Tutorial:
1. Find the ore, it spawns on the lower side of outer end islands.
2. Smelt it in a normal or blast furnace to get an enderite shard.
3. Get 4 shards and 4 diamonds to craft an enderite crystal.
4. Using a smithing table, you can upgrade netherite tools and armor with enderite crystals.
There is also 1 hidden feature + advancement and 2 other secret advancements, if you find them, comment that you found it, then I will show the feature officially.