Stratum

Stratums are modifiers applied to weapons when they are crafted. Their quality is not fully random: the chance of a good or bad stratum depends largely on the level of the weapon. At level 20 the chances of getting a good or a bad stratum are equal, while level 40 gives the highest chance of a good one, and higher levels keep increasing those chances. Stratums rolled through the forging station take the level into account, and the attributes a weapon already has affect which stratums it can receive.

A weapon holds at most two stratums, unless the Ordinary stratum case adds a third. Adding a stratum to an existing weapon costs one netherite ingot, unless the weapon has no stratum case, and rerolling costs one diamond; rerolling a weapon with two stratums rerolls both of them. Weapons with more stratums can also be spawned with commands by adding the stratum tags to the item, for example a diamond sword with three stratums. Stratum is published for Forge only, for 1.19.2, and runs on client and server, so the server and every player need it. The mod is released under All rights reserved, and the code is not open source.