Build a BoxPvP arena exactly 200x16...

Build a BoxPvP arena exactly 200x160 blocks with a dark mushroom forest theme. The arena walls are flat dark gray deepslate with evenly spaced tall dark red nether brick pillars. Between each pillar on the wall face add a glowing sun decoration made of orange shroomlight or glowstone in a diamond pattern surrounded by teal warped wart blocks. The top of the walls should be covered in organic teal and cyan warped foliage that spills over the edge. Outside the walls the terrain is covered in purple and pink nylium with teal foliage hills. Scatter tall white stem mushroom trees with blue warped mushroom caps of varying heights around the outside. The arena floor is flat sand. Along the inside base of the walls add small gray stone pedestals evenly spaced. One side of the arena outside the wal