Some items found in the Ulterlands are quite similar in composition to the ones we know. Through the power of aetheric alchemy, this device can transform them into their alternate counterparts. Items inputted will be swapped with another of equal value and properties.

[Blast Powder - 4 Gunpowder] [Ironwood Chunk - 4 Iron Ingots]
[Pyre Plate - 2 Blaze Rods] [Sturdy Shell - 2 Shulker Shells]
[Dark Pearl - 2 Ender Pearls] [Pentagram - Nether Star]

This magical item can reveal all mobs in the area when activated (via left-click). However, you expose yourself as well in the process. After use, the item disappears.

This intriguing item is capable of containing a specific amount of air (approximately a block's worth) inside it. Once released, the air forms in some "pocket bubble" and no fluids can enter but as long as a bit of the player stands in it, they will be able to breathe.
If the player jumps while within it, the gases will raise them up (akin to a ladder).

There are ores in the Ulterlands that can produce substances identical to Overworld ores. Examples are Aurum and Ferrite Ore which produce Gold and Iron respectively when mined.

An instrumental club capable of holding its own in battle. It can create music from the blood of mobs it hits.
Attack Strength: 3.5❤️ (7)
Attack Speed: 1