Dark gothic ruin boss arena, 50x50....

Dark gothic ruin boss arena, 50x50. Circular flat floor 40 blocks wide, polished blackstone and deepslate tiles, obsidian border. Ring of 12 broken blackstone pillars 8 blocks tall with soul fire lanterns. Center: raised 9x9 blackstone altar platform with crying obsidian corner pillars and candles. North: giant broken greatsword monument 18 blocks tall, gray concrete blade, amethyst glow in cracks, dark oak handle. South: wide blackstone staircase entrance with gate pillars. East and west: raised spectator balconies with dark oak railings. Keep center 30 blocks flat and clear. Palette: blackstone, deepslate, obsidian, dark oak, gray concrete, amethyst only.