This addon adds 8 new sets of gear, all with unique traits! Each set of gear comes with a full kit of armor and/or all of a pickaxe, axe, sword, and shovel! The sets are Bone Crusher, Mecha, Mystic, Power, Obsidian, Copper, Lapis, and Wood.
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Changelog
Added obsidian, wood, lapis, and copper gear, as well as updated all tools to support 1.17 blocks and features
(In his video description)