Mod adds rarities to minecraft resources : Common, Uncommon, Rare, Super Rare, Epic, Legendary, Mythic, Secret, Super Secret and the rarest: Mysterious.
Actual Items that there are raity upgrade are: Stone and Coal
How to get raity items ?
With items like coal, and cobblestone put 1 in a crafting grid
With items like Stone and coal blocks, put 2 in a crafting grid