Copper+

Rosegold tools share the efficiency and enchantability of golden tools while offering more durability than iron, and they can be repaired with copper. Gold tools and gold armor are upgraded at a smithing table with a waxed copper ingot. The rosemail armor set is tougher than iron but stops short of diamond toughness, and it keeps piglins neutral, which gives an upgrade path for gold armor players who use the Nether.

Charged copper blocks respond to lightning. A copper block struck by lightning gains charge and passes part of it to directly connected copper blocks within one block of distance. A lightning rod gives a larger charge to copper blocks within two blocks, depending on how many are present. Charged blocks send their charge through redstone-style paths of up to 25 blocks, and a charged rosemail piece standing on a charged copper block starts to gain charge over time.

Copper+ is client and server, so the server and every player need it. It is published for Forge only, with files for 1.18.2 and a1.1.1 as the latest build, released in the alpha channel. The code is released under the Apache License 2.0, and the mod is not open source. The project is in an early stage, so features may change before a full release.