Shadowlands

3.4 Changelog:

Added Acid Snail - a new mob which places Acid on the ground upon death, this acid can be picked up with a Containment Box and then used in ore processing to get 50% more ore (or more in some recipes) or used to recycle certain items. Compatible with a lot of ores from other mods
Added water pools to the Vellium Mountains and Toxic Forest biomes
Fixed Creeper Forest mobs and Vellium Worms not spawning naturally
Improved some of the Fiery Armor textures
Added Marine, Spiked and Lightweight upgrade kits
Fixed Ultraflame Ingot not being in a creative tab
Improved tagging
Added Nightshrooms, a decorative huge mushroom found in the Gray Shadow Forest and Void Forest biomes which spawns both above and below ground (may have actual uses later)
Fixed the Shadow Forest sky appearing blue when used with some other mods
Tweaked the colours of a few textures in the Shadow Forest to make them not clash as badly