An ancient stone arena reclaimed by...

An ancient stone arena reclaimed by jungle, 40x40 footprint, 20 blocks tall. Exterior: mossy cobblestone walls fractured by jungle log pillars wrapped in hanging roots, azalea trees at roof corners, glow berries trailing from ledges, green stained glass partially overgrown, entrance formed by two arching dark oak trees covered in moss and hanging roots. Interior: battle floor of moss blocks and jungle planks, glow lichen lighting, stone ruins with jungle roots piercing through walls, raised gym leader platform of packed moss and dark oak with flowering azalea, oak leaf canopy ceiling filtering green ambient light. Style: overgrown ancient ruins, nature reclaiming civilization, cosmic forest. Blocks: mossy cobblestone, jungle logs, dark oak, flowering azalea, hanging roots, glow berries, mo