Create a Minecraft festival stage, ...

Create a Minecraft festival stage, Tomorrowland 'Arising of Life' style. Size: 25 blocks wide, 12 blocks deep, 24 blocks high. Centered orientation. Main feature: A giant mystical tree with organic curves using oak wood and root blocks. Palette: Dark oak, moss blocks, shroomlights, and flowering azalea leaves for bioluminescent purple/blue effects. Add symmetrical 3D mushrooms on the sides and small cascading water flows using glass and water source blocks. Incorporate hidden sea lanterns for ambient fantasy lighting. Ensure the build fits strictly within the 25x12x24 dimensions.