Genshin Impact’s Core of the Apparatus event introduces players to Bertrand, a greedy toymaker from Fontaine looking to make a big buck from Inazuma’s toy market. The event runs fromJune 29, 2022, to July 17, 2025, and is open to all players who have completed the following requirements:
How to unlock the Core of the Apparatus event in Genshin Impact
Once you meet all the requirements listed above, you’ll automatically get an Event Quest calledA-Toymaking We Shall Go. It will prompt you to speak with Katheryne in the Inazuma Adventurer’s Guild, and then to the toymaker Bertrand in Ritou. The event is divided into three parts that release within the first three days of the event.
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Source Material Collection guide in the Genshin Impact Core of the Apparatus event
Source Material Collection is the first part of the Core of the Apparatus event, and it involves collecting items to fill up The Great Machine. After speaking to Bertrand, he’ll give you aGadgetcalled theMaterial Collector. It will fill up as you collect the materials that he asks you to acquire.
Bertrand will ask you to collect the following. Keep in mind that youmust have the Material Collector equippedwhile playing through this segment, or the items you pick up won’t register.

Three Ores
You can collect any three of these ores (duplicates are allowed!) to fulfill the event requirements.
Three Flowers
you may collect any three of these flowers (duplicates are allowed!) to fulfill the event requirements.
Six Fruits
you may collect any six of these fruits (duplicates are allowed!) to fulfill the event requirements.
Return to Bertrand to report your collection progress. Don’t forget to head to the Source Material Collection section in the event menu to claim 60 Primogems and other rewards for completing the segment.
Check out our guide onHow to complete Continued Cleanup in the Genshin Impact A Muddy Bizarre Adventure eventto guide you through another ongoing event.