Soprano Forests, End Citadels

Soprano forests should spawn infrequently on the underside of the outer end islands. The soprano tree, featuring a green stem with glowing purple veins throughout, grows downward into the void, with green soprano leaves at their ends. The soprano stem can then be crafted into soprano logs, planks, stairs, slabs, doors, fences, pressure plates, buttons, shelves, and trapdoors, which are all a bright green.

However, harvesting the soprano tree is extremely dangerous. If the soprano heart hears the player break a soprano stem nearby, it screams for 4 seconds, then fires a concentrated green laser beam that deals 9 damage to unarmored players. This can be blocked by a shield or any solid blocks. The soprano heart can be put to sleep for 1 minute by using a brush on it, or harvested by using an axe on it, dropping ender stars. It can then be crafted into soprano beacons using crying obsidian, amethyst shards, glass, and ender stars, then powered by redstone to be used as a "laser turret" against other players or nearby mobs.

Spawning within the soprano forests are end citadels, populated by the choir spirits. They are purple humanoid mobs that can teleport, wear elytra, and wield iron spears. They are hostile to players and all nether mobs. As a true endgame hostile mob, they teleport onto the roof of nearby buildings, scream as a warning, and then swoop down for a critical attack (this is slow and can be relatively easily dodged). End citadels have end game loot and armor trims.