Build a complete, explorable Minecr...

Build a complete, explorable Minecraft Java Edition dungeon environment: an ancient ruined sanctuary reclaimed by a damp forest and a swamp. Use only vanilla Minecraft blocks. Create actual three-dimensional block geometry suitable for a .schem export, not an illustration or a miniature diorama. SCALE AND LAYOUT Approximately 360 × 400 blocks, with natural elevation changes and moderately spacious passages. The environment should support a future dungeon experience of about 20 minutes; do not add enemies or gameplay scripts. Place the entrance at the southern forest edge. A winding approach leads through ruined fortifications to a forecourt facing the central sanctuary. In the center, build a sunken stone amphitheater with a 60-block-diameter arena floor. Surround it with terraced seati