added the Forgotten, an armored skeleton that roams the halls of the catacombs.
added the S'Mog, a taller, smoggier version of the mog found in the Smog Spires and Barren Abyss
added Blue Mogmoss, obtained from shearing a S'Mog
added Blue Mogmoss Rug
added Slop Bowls, a disgusting bowl of moss and beans that can be found in the Catacombs
added a bunch of Vestige structures scattered around the dimension
added the Frosty Smogstem Forest, a colder variant of the Smogstem Forest
added a portal travel animation, similar to the nether portal one
added a config option to turn off the fog in the dimension
added Powdered Snow patches to the various different cold biomes
spawners in the Catacombs will now only spawn forgotten instead of various other creatures in the dimension
Stoneborn will no longer trade Cloggrum Battleaxes. They will now need to be obtained from Forgotten in the Catacombs who will sometimes be carrying one
removed the ability for Stoneborn to regenerate health over time
mobs that are immune to Blisterberry Bushes are now controlled through a new tag undergarden:immune_to_blisterberry_bush
fixed fog flickering underwater
fixed chest boats from the mod not having recipes
fixed the Barren Abyss not generating the correct blocks on the surface
