Energy system blocks
Statues depicting Lovecraftian deities and other blocks used in the mods energy system.
Fluids
Liquid Coralium and Liquid Antimatter, two fluids added in the mod.
Blocks
All ordinary blocks in the mod as of version 1.9.5.1.
The Darklands
A normal Darklands biome.
Living Shadows
Translucent, smoking, hard to see in dark places. Inhabitants of the Darklands and the Dark Realm.
Doors
You can make doors out of the two wood types.
Ritual Circle
A setup of pedestals and an altar used in the mods magic system to perform various rituals.
Darklands Mountain
A Darklands Mountain biome.
The Abyssal Wasteland
The first dimension
Items
All items in the mod as of version 1.9.5.1
Abyssal Zombie and Depths Ghoul
All purpose undead. Probably carry all sorts of diseases...
The Dark Realm
The fourth dimension.
Darklands Plains
A Darklands Plains biome.
Dread Spawns
I don't know what it is, but that thing is not human.
Coralium Infested Swamp
A Coralium Infested Swamp biome.
AbyssalCraft Logo
The current logo
Darklands Highlands
A Darklands Highlands biome.
Darklands Forest
A Darklands Forest biome.
Lesser Shoggoths
Probably the most hated mob in all of modded Minecraft.
Dreadguard
Armored foe that can barf all sorts of nasty stuff on you.
Skeleton Goliath
Undead, big, has a club.
Remnants
Inhabitants of Omothol. Has a thing for trading.
Omothol
The third dimension.
The Dreadlands
The second dimension. Also the color palette of torture.
Special blocks
Storage, machines, heads, explosives and some out-of-the-ordinary blocks.
Redstone logic blocks
Buttons and Pressure Plates made from various materials.