1,000×1,000 Nether colosseum hell-b...

1,000×1,000 Nether colosseum hell-base: an absolutely massive circular fortress with stacked arenas, blackstone mega-walls, lava canals, basalt pillars, crimson bridges, soul-fire braziers, chains, skull gates, nether brick towers, obsidian ribs, magma trim, red glass windows, gilded blackstone accents, and huge demon-style archways. Block palette: blackstone, polished blackstone bricks, basalt, obsidian, crying obsidian, nether brick, red nether brick, crimson wood, magma, lava, chains, shroomlights, soul lanterns, slabs, stairs, carpets, buttons, and glass to block ghast/hostile spawns.