Added the Vampire Knife, a powerful item costing blood essence, obtained as an extremely rare drop from Nether mobs (if you played Terraria a lot, then you will know exactly what this is inspired by)

Added the Exospider, a new spider variant habitated in the Nether and controlled by essences with a weakness for biomass

Added new advancements

Added various new config options

Added a few new blood altar ritual recipes for converting vanilla items

Added guidebook entries for enchantments and the Vampire Knife

Tweaked a few guidebook pages to fix typos and formatting

Updated durability bar color of rechargeable items depending on essence type required

Fixed CraftTweaker recipe addition/removal loading order for good

Stereo sounds are converted to mono to improve directional audio