Adds the backrooms dimension with some extra good loot.
Features
Adds a custom dimension being the backrooms, which can be accessed by throwing an enderpearl at a yellow carpet and can be left by right clicking a bed in the backrooms.
Contains barrels which can contain enchanted books with higher levels than usually available: Swift Sneak 4, Feather Falling 5 and Respiration 4
They can also have Knockback sticks
The custom dimension is full of wood, stone and other things with different biomes including
Normal (Stripped birch log, Sandstone, Polished diorite and Ochre froglights)
Red (Stripped acacia log, Sandstone, Polished diorite and Ochre froglights)
Stone (Cobblestone, Stone, Smooth stone and Sea lanterns)
Wood (Oak log, Oak planks, Redstone lamps and Levers)
Also has cobweb filled sections, water sections and sculk sections
Has a monster which does a lot of damage but can be killed and drops rubber armour, reversing knockback
Fully server-side, no client installation needed (unless you want it in singleplayer).