The UndergardenUnderground purple-mushroom dimension — Forgotten Battlefield, Rotspine Forest, Smogstem Lowlands
About
An underground biome dimension. Build a Catalyst portal (Catalyst block from a Depthrock + Cloggrum recipe) → enter the Undergarden. Purple haze, glowing fungi, twisted plants. Unique ores (Cloggrum, Froststeel, Forgotten Armor materials). Mobs (Rotbeasts, Brute, Underminer). Mid-difficulty exploration dimension with a distinctive aesthetic — not as boss-heavy as Twilight Forest, but rich in materials.
Getting started
Auto-loads with the pack. Open JEI/EMI and search for the mod name to see all the items and recipes it adds.
What you can do
- Forgotten battlefield
- Rotspine forest
- Smogstem lowlands
Endgame goals
Endgame use of The Undergarden integrates its top items into your main base — see the official docs for the full progression.
Integrations with other AYN mods
- EMI — Recipes are visible in EMI.
- Jade — Block tooltips render through Jade.
- FTB Quests — Used as quest reward / objective material in the pack quest book.