Update: Chaos Rats - Version 1.20.3.0 for Minecraft 1.12.2
2018-05-28

Download:
Curse MediaFireConfig Reset Version:
1.17.3.2 (Configs made before this version will be reset by this update.)
New Features:
New Mob Added: Wraamon - Chaos rats that leap and bite causing instability.
New Shade Model
Argus now have a ranged Chaos Orb attack.
Major Fixes:
Fixed a bug where leaping mobs would fall through the ground when leaping with 0 xz distance to their target.
Balancing:
Demonic Soulcubes now cost diamonds instead of diamond blocks.
Instability no longer affects bosses.
Minor Fixes:
Fixed the size scale and hitbox of rare subspecies.
Fixed a bug where the rare subspecies level 3 bosses in dungeons weren't scaled in size correctly.
Fixed vertical offset of the Aetherwave attack (fired by Sylphs).
Fixed a vanilla crash triggered by the structure spawners when searching for the nearest structure on a world with no structure generation set.
Fixed a crash caused by entities from other mods that don't have an entity ID resource location.
Fixed a bug where the projectiles fired by Cacodemon and Beholder mounts exploded instantly.
Added missing swiftswimming buff icon.