Blueprint
Hardening Agent Blueprint
IRO-SO Next Step
Found at IRO-SO Next Step (central). Unlocks Hardening Agent at the Furnace: 5x Sulphuric Acid + 1x Synthetic Silicon + 1x Applicator.
Details
Display NameHardening Agent Blueprint
Location NameIRO-SO Next Step
Location DescriptionCentral Area Of The Map
NoindexNo
Guides & Articles
Quick Facts
- Type
- Blueprint
- Confidence
- Medium
- Verified
- Mar 29, 2026
Sources
starrupture.net/database/blueprints; Steam guide
Incomplete — This entry is being expanded. Some fields may be missing.