The Omni-Synthesizer allows you to synthesize materials to create Consumables, exchange or craft Upgrade Materials, and craft Relics in Honkai: Star Rail. See how to unlock the Omni-Synthesizer and how to use it in our guide!

Omni-Synthesizer Updates in 2.1

Toggle Between Trace Material Rarities

The 2.1 Livestream announced that a new Quality of Life update will be made to the Omni-Synthesizer in Version 2.1. When the update drops on March 27, 2024, players will be able to quickly toggle between Trace Material rarities when crafting them.

Version 2.1 Release Date and Banners Guide

How to Unlock Omni-Synthesizer

Unlocked at Trailblaze Level 14

Once you reach Trailblaze Level 14, you'll unlock the Omni-Synthesizer and the ability to Synthesize materials to create Consumables and exchange Upgrade Materials!

You will immediately receive a notification that you can use the Synthesize option through your phone.

Alternatively, you can access the actual Synthesizer found in the Parlor Car.

How to Increase Trailblaze Level

How to Use Omni-Synthesizer

Jump to a Synthesize Procedure!
Consumables	Material Exchange
Material Synthesis	Relic Crafting

Synthesizing Consumables

	How to Synthesize Consumables
1	Open the Synthesize menu either by accessing it through your phone or at the Parlor Car.
2	Choose a Consumable item that you want to create. You will need the required materials, and you'll only be able to choose the recipes that you've unlocked.
3	Select the Quantity. The amount of materials needed would increase the more items you want to create.
4	Hit Synthesize to produce the item.

Material Exchange

Material Exchange consumes the available materials you have in exchange for the creation of other materials that otherwise you don't own yet.

You can unlock more formulas by increasing your Equilibrium Level.

	How to Exchange Materials
1	Choose a Material and select the plus icon under "Materials Needed".
2	Select two materials that you want to exchange.
3	Choose a quantity, the higher you choose, the more materials you'll consume.
4	Hit Synthesize to exchange the materials.

Material Synthesis

Material Synthesis allows you to increase a material's rarity and quality in exchange for its similar variant of lower rarity.

This can be unlocked after completing the Trial of the Equilibrium: Part Two.

	How to Use Material Synthesis
1	Choose a material you want to upgrade.
2	Select the Quantity. The materials consumed for this will be the same as the original but of lower rarity.
3	Hit Synthesize. You will also spend Credits when crafting Relics.

Relic Crafting

Relic crafting allows you to craft 5 star Relics in exchange for Relic Remains.

This feature can be unlocked after completing the Trial of the Equilibrium: Part Three!

	How to Craft Relics
1	Choose a set you want to craft a piece from.
2	Select the piece to be crafted.
2	If you want to change the main stat of the piece, click this button and choose the one you want. You need 1 Self-Modeling Resin per customization.
3	Select the Quantity. You need 100 Relic Remains to craft a piece.
4	Hit Synthesize. You also need to spend Credits when crafting.

How to Get Omni-Synthesizer Recipes

Ways to Get Recipes
World Shops	Stores
Companion Missions	Hidden Quests

World Shops

Recipe	Location
Topological Acceleration Band	Herta Space Station
Antimatter Field Generator	Jarilo-VI
Stone From the Everwinter Monument
Longevity Pill of Cruelty	Xianzhou Luofu

Recipes are sold in World Shops located on Herta Space Station, Jarilo-VI, and the Xianzhou Luofu. They can only be purchased with the currency tied to that world.

World Shop Guide

Recipes from Stores

Jump to a Location!
Jarilo-VI	Xianzhou Luofu

Jarilo-VI

Recipe	Location
Enhancement Paste: Fire	Vending Machine
Enhancement Paste: Quantum
Camo Paint	Administrative District Shop
Enhancement Paste: Physical
Enhancement Paste: Ice

Vending machines and the district shop are all located in the Administrative District. While there are multiple vending machines in the city, they all sell the same items!

Xianzhou Luofu

Recipe	Location
Enhancement Paste: Wind	Grocery Stand
Enhancement Paste: Imaginary
Enhancement Paste: Lightning

Both of the stores above are located in Central Starskiff Haven. The grocery stand is located in the middle of the city while the food stall is behind the Starwatcher Avenue space anchor!

Recipes from Missions

Recipe	Mission
Disposable Kinetic Arm	Time Express
Disposable Kinetic Cannon	Only a Child

Sometimes, you can get recipes as a reward from missions. With this, make sure to do all the missions in the game if you don't want to miss any of them!

All Missions Guide

Recipes from Hidden Quests

Hidden Quests are unique missions and interactions that players can find when playing the game. Some of them reward players with recipes to synthesize consumables!

Jump to a Location!
Jarilo-VI	Xianzhou Luofu

Jarilo-VI

Recipe	How to Obtain
Punitive Food	Talk to Amo who is near the Goethe Hotel space anchor in the Administrative District.
Punitive Energy	Talk to the NPC named Nika in the Administrative District.
Wrathful Gauntlets	Do the Rock, Paper, Scissors Challenge in Boulder Town. To start the challenge pick up the invitation inside the Fight Club.
Yucky Fried Rice	When you enter the Grand Goethe Hotel in Boulder Town, answer the review form on the desk. Then, give it to Gertie outside of the hotel.
Vomit Inducing Agent	Talk to the NPC named Maxime, who is also known as the Forgetful Miner, in Boulder Town.
High-Tech Protective Gear	Bother Bronya in Qlipoth Fort by investigating her desk and rummaging through her stuff.
Inferior Protective Gear	Talk to the NPC named Fidora in Boulder Town. She gives you the recipe after your first interaction with her.

Jarilo-VI Map Guide

Xianzhou Luofu

Recipe	How to Obtain
Tasty Field Nutrient Bar	Join the Eating Competition hosted by the Food Stall in Central Starskiff Haven.
Dust of Alacrity	Help the Brave Cycrane during the Seven Errors of Cycranes quest
Ruby Potion	Go to the Palace of Astrum at Central Starskiff Haven. Then, interact with a chest near Yanming. Finally, talk to Xikui.

Xianzhou Luofu Map Guide

Honkai: Star Rail Related Guides

All Tips & Tricks

All Tips and Tricks Guides

Game Mechanics Tips and Tricks
All Paths Explained	Trailblaze Power Guide
Forgotten Hall	How to Farm Stellar Jades
Pity System Explained	All Achievements Guide
Simulated Universe Guide	Reroll Guide - Is It Worth It?
Livestream Codes	Battle System Guide
Daily Check-In Guide	How to Save Skill Points
How to Increase Your Trailblaze Level	Daily Task List
How to Return to Herta Space Station	How to Open Mailbox
How to Level Up Characters	All Chest Locations
How to Increase Equilibrium Level	How to Do Follow-Up Attacks
All Memory Bubble Locations	Best Ways to Spend Currencies
World Shops Guide	All Techniques and How to Use
How to Use Photo Mode	Operation Briefing Guide
Easter Eggs and References	Omni-Synthesizer Guide
Team Building Guide	List of All Curios
How to Get Shadow of Destruction	How to Get Shadow of Preservation
List of All Paths	Recommended Assignments
How to Retreat	How to Revive Characters
How to Purchase From the Store	List of Elements and Effects
How to Unlock Daily Training	How to Get Eidolons
How to Fast Travel	Crimson and Golden Calyx Locations and Rewards
Healing and How to Recover HP	How to Level Up Traces
How to Switch Characters	How to Gain Energy for Ultimates
List of All Aeons	Break Effect Guide
Enemy Tracking Guide	List of All Shops and Locations
All Simulated Universe Events	Reserved Trailblaze Power
Speed Breakpoints Guide	How to Get Free Yukong
How to Get Free Lynx	Clockie's Offering Rewards
Penacony Car Dealer Location	How to Invite Characters for a Group Photo in Penacony
How to Get Shadow of Harmony	How to Get Harmony Trailblazer Eidolons
How to Negotiate and Win Against Skott	How to Win Feixiao Debate
FAQ
Is There Multiplayer or Co-Op?	Can You Customize Your Character?
Is There Cross-Platform Play?	How to Fix Connection Errors
Will There Be a Switch Version?	Can You Change Gender?
How to Get Birthday Rewards	What are Eidolons?
Can You Skip Cutscenes?	Controller Support Guide
Should You Buy the Express Supply Pass?	Daily Reset Time
How to Use Windowed or Full Screen Mode	How to Change Main Character's Name
Best Warp (Gacha) Banners to Pull On	How to Add Friends
Permanent Game Features	Best Settings for PC
How to Download on All Platforms	Battle Pass Guide
Starter Guide	How to Get the Fire Trailblazer
How to Fix the Stuck on Train Loading Screen Bug	Is Honkai: Star Rail Open World?
How to Use the Chat Function
Puzzles
How Many Trash Cans Are in Belobog?	Rock, Paper, Scissors Guide
Real Treasure Map Guide	Fool's Box Solutions
Magflow Link Solutions	Mine Cart Test Guide
Unearthly Marvel Solutions	Hexanexus Solutions
Navigation Compass Guide	Triple Authentication Door Guide
Luminflux Pyxis Solutions	Mutare Magnus Solutions
Origami Crane Locations	Abacus Circuitry Locations
Phonograph Record Locations	Obsequies Performed, A Long Road Ahead Character Locations
Origami Bird Locations in Penacony	Clockwork Quests and Gear Locations
Lordly Trashcan Locations and Answers	Dreamscape Pass Stickers
Dream Jigsaw Solutions	Dream Ticker Solutions