Iron Vaults, Iron Keys, and the Leather Sack

We need a better exploration loop for early-to-mid game survival that solves inventory clutter and server-looted structures. By adding a craftable Leather Sack (upgrading a Bundle with 8 Leather) early in progression, players gain a portable, single-chest storage solution (27 full stacks). This extends exploration trips far beyond spawn without forcing players to wait for late-game Shulker Boxes, bridging the gap for the majority of survival players who focus on Overworld exploration rather than the End dimension. ​To complement longer journeys, non-trial structures (like Desert Temples, Jungle Pyramids, and Dungeons) should replace standard loot chests with Iron Vaults. These act like Trial Vaults—giving every player on a server their own instanced loot pool so structures are never left empty—and can be opened using stackable, durable Iron Keys (crafted or brushed from suspicious sand via archaeology). Together, these features fix inventory bloat, revitalize server exploration, and give Iron and Archaeology long-term survival value!