What This Idea Means: Inspired by legendary underground dwarven kingdoms, this hall emphasizes grand scale, massive stone pillars, lava channels, and heavy forging stations built right into cavern walls.
How to Make It: Hollow out the interior of a massive mountain. Erect thick, $4\times4$ stone brick support columns topped with lava braziers. Line villager cells into carved cliffside alcoves connected by iron catwalks and chain suspension bridges.
Tips and Variations: Position Blast Furnaces, Smoker stations, and Grindstones in public forge bays in front of weaponsmith and armorer villagers.
Materials Needs: Stone Bricks, Deepslate Bricks, Magma Blocks, Chains, Iron Bars, Blast Furnaces, Lava Buckets, Anvils.