Astral Dimension

Main Additions:
+Pyrathis:
-A strong hostile mob that can be found in the Setback within Pyrite Grottos
-Has 600 HP
-Nearby inactive Pyroids can be awakened by the Pyrathis to attack the Player
-Can be damaged by defeating Pyroid Souls, each dealing 60 damage to the Pyrathis
-Instantly breaks blocks in a 5×5×5 area when trying to reach the Player
-Can charge up 4 lightning bolts that strike around it
-Drops a Pyrathis Heart when killed, which drops up to 14 Lucid Rocks and up to 2 Pyrite Claws, or can be collected with Silk Touch

+Pyroid:
-A hostile undead mob that can be found in the Setback within Pyrite Grottos
-Found stuck in Pyrite and can be awakened by a Pyrathis to attack the Player
-Spawns a Pyroid Soul on death, which can be defeated to damage the Pyrathis
-Has 25 HP and deals 5 melee damage
-Inactive Pyroids can be broken using a Pyrite Claw, dropping up to 3 Pyrite Clusters, 4 Bones, 2 Golden Bones, and 3 Rotten Flesh
-Pyroids naturally respawn, but breaking them with a Pyrite Claw removes them permanently

+Antender:
-A passive mob found in the Setback in biomes such as Sick Woods and Soul Fiery Forests
-Attacking an Antender causes it to scream, shake, and its eyes to glow, inflicting Weakness on the Player
-Has 15 HP
-Drops up to 6 Ghost Jelly, 7 Sticks, and 4 Sick Wood

+Pyrite Claw:
-Obtainable by killing the Pyrathis
-Functions as a pickaxe, with stats similar to a Diamond Pickaxe
-Breaking blocks while carrying Pyrite Clusters consumes one cluster at a time, granting 5 XP per cluster

+Pyrite Grotto:
-A cave-like structure found in most Setback biomes except Soul Fiery Forests
-It is inhabited by a Pyrathis and several inactive Pyroids
-Features a large amount of Pyrite and Pyrite Clusters
-Some Pyrite Clusters have Pyrite blocks beneath them, with Solar Pulp below those which sometimes emit Pyrite Strikes that briefly light up the area

+Faded Monolith:
-Tall uncommon rectangular structures made of Faded Stone
-Up to 7 can be found in one place
-Generates in the Setback in most biomes excluding Soul Fiery Forests

Biome Additions & Changes:

Sick Woods:
+Added Faded Stone blobs which have Dead Postrum rims
+Added Sick Bushes, which are similar to Sick Trees but are shorter and don't feature Harsh Icicles
+Added Flower Pads, which are small flower-shaped huts found only in the Sick Woods biome
-Flower Pads have 2 main variants: Light and Dark
-1 Chest can be found in both variants, which may contain the following loot:
-Up to 5 Void Gems
-2 Void Fangs
-4 Gunpowder
-2 Glass Bottles
-2 Golden Bones
-4 Worm Eyes
-2 Rotten Flesh
-5 Astral Cookies
-3 Dragon Fruit Seeds
-6 Sick Wood
-2 Gloomy Obsidian
-5 Faded Stone
-3 Harsh Icicles
-3 Dark Void Bulbs
-1 Bone Block
-1 Compass
-1 Enchanted Chainmail Chestplate
-1 Enchanted Chainmail Leggings
-1 Enchanted Diamond Pickaxe
-1 Nanta Star
-1 Faded Star

-Flower Pads have destroyed variants, which are more common than the intact ones, and the dark variant lacks the chest

Frozen Harsh Barrens & Frozen Postrum Reefs:
+Added Harsh Icebergs, which are made of Harsh Ice blocks and Harsh Icicles

Changes:
Postrum Cell:
-Reduced cooldown between stages
-Summons armored husks instead of armored zombies, and it summons less of them when loading the Jailor
-Drops Postrum Scales instead of Damned Scraps

Apocalyptic Bowl:
-Changed recipe to 2 Faded Stones, 3 Ectoplasm, Postrum Scales, and a Bowl

Postrum Scales:
-Changed texture
-Used to craft the Apocalyptic Bowl

Damned Scraps:
-Became unused

Pyrite Potato:
-Changed texture
-Now removes the Hunger effect when eaten

Pyrite Cluster:
-Putting Pyrite blocks under Pyrite Clusters and then placing Solar Pulp blocks beneath the Pyrite sometimes causes Pyrite Strikes, which light up the area and show particles
-When the Player breaks a block using the Pyrite Claw, and has Pyrite Clusters in their inventory will break one cluster at a time and give 5 XP

Faded Stone:
-Changed texture