The First Descendant

Hardener: How to Get and Use

Please note that the First Descendant Team has stopped covering the game as of October 2024. Information on certain pages may not be up-to-date.

Hardener is a Basic Material in The First Descendant (TFD). Learn how to get Hardener, as well as how to use it in this guide.

How to Get Hardener

Item How to Get
Hardener ・Vespers (Normal/Hard) - Resource Box/Munitions

How to Use Hardener

Item How to Get
Ajax Stabilizer ・Research
Research Materials Needed:
Hardener x386
Ceramic Composite x408
Compound Carbon Activator x30
Ajax Stabilizer Blueprint x1
Albion Cavalry Gun Nano Tube ・Agna Desert (Normal) - Previous Construct Team Quarters complete
・ Research
Research Materials Needed:
Hardener x97
Compound Coating Material x60
Fusion Plasma Battery x10
Albion Cavalry Gun Nano Tube Blueprint x1
Clairvoyance Synthetic Fiber ・Research
Research Materials Needed:
Hardener x97
Shape Memory Alloy x115
Deformed Biometal x19
Clairvoyance Synthetic Fiber Blueprint x1
Divine Punishment Synthetic Fiber ・Research
Research Materials Needed:
Hardener x97
Nanopolymers x91
Encrypted Neural Circuit x8
Divine Punishment Synthetic Fiber Blueprint x1
Greg's Reversed Fate Nano Tube ・Fortress (Normal) - Fortress Command Entrance
・ Research
Research Materials Needed:
Hardener x97
Reverse Charging Coil x114
Anode Ion Particle x7
Greg's Reversed Fate Nano Tube Blueprint x1
Nazeistra's Devotion Polymer Syncytium ・Vespers (Normal) - Mossy Colossus
・ Research
Research Materials Needed:
Repton x105
Hardener x97
Artificial Biometal x9
Nazeistra's Devotion Polymer Syncytium Blueprint x1
Python Polymer Syncytium ・Research
Research Materials Needed:
Hardener x97
Nanopolymers x91
Crystal Biogel x11
Python Polymer Syncytium Blueprint x1
Smithereens Polymer Syncytium ・Research
Research Materials Needed:
Superfluid x143
Hardener x97
Insulated Metallic Foil x8
Smithereens Polymer Syncytium Blueprint x1
Ultimate Bunny Stabilizer ・Research
Research Materials Needed:
Superfluid x1285
Hardener x869
Specialized Biometal x102
Ultimate Bunny Stabilizer Blueprint x1
Ultimate Gley Enhanced Cells ・Research
Research Materials Needed:
Metal Accelerant x1168
Hardener x869
Thermal Metallic Foil x58
Ultimate Gley Enhanced Cells Blueprint x1
Valby Spiral Catalyst ・Research
Research Materials Needed:
Metal Accelerant x519
Hardener x386
Encrypted Neural Circuit x32
Valby Spiral Catalyst Blueprint x1
Viessa Spiral Catalyst ・Research
Research Materials Needed:
Superfluid x571
Hardener x386
Synthesized Artificial Biometal x99
Viessa Spiral Catalyst Blueprint x1
Yujin Spiral Catalyst ・Research
Research Materials Needed:
Hardener x386
Ceramic Composite x408
Anode Ion Particle x27
Yujin Spiral Catalyst Blueprint x1
Luna Spiral Catalyst ・Research
Research Materials Needed:
Superfluid x571
Hardener x386
Specialized Biometal x46
Luna Spiral Catalyst Blueprint x1
Ultimate Freyna Stabilizer ・Research
Research Materials Needed:
Hardener x869
Nanopolymers x817
Polyatomic Ion Particle x216
Ultimate Freyna Stabilizer Blueprint x1

The First Descendant Related Guides

The First Descendant - Materials
All Materials and How to Get Them

All Consumable Materials

All Consumable Materials
The First Descendant - Amorphous MaterialsAmorphous Materials The First Descendant - Research MaterialsResearch Materials
The First Descendant - Void ShardsVoid Shards -

All Code Analyzers

All Code Analyzers
Code Analyzer Precision Code Analyzer Ultra-Precision Code Analyzer

All Code Breakers

All Code Breaker
Code Breaker Precision Code Breaker Ultra-Precision Code Breaker

All Shape Stabilizers

All Shape Stabilizers
How to Get and Use Shape Stabilizers

All Enhancement Materials

All Enhancement Materials
Crystallization Catalyst Energy Activator

All Materials List

All Materials List
All Blueprints All Enhanced Cells All Codes
All Stabilizers All Spiral Catalysts All Nano Tubes
All Synthetic Fibers All Syncytiums -

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