(Most) Building Blocks
New Weapons
The Hollow Expanse
The Two Types of Wood
Various Other Tools and Items
The Hollow Expanse Portal
New Armor Pieces
A Hollowed
Various Building Blocks and the Fiery Potion
A Polar Desert Hills Biome
The New Colored Sea Lanterns
Hollow Fields
The Frozen Sand Blocks
The textures aren't the best, but I don't know how to improve them.
Hollow Forest
New Ores
Food Items and the Amethystium
An Acid Lake