
Yum Cha Sin Guide for Zenless Zone Zero
Visit the Yum Cha Sin in Zenless Zone Zero and complete various Neighbourhood Wishes! Earn Cloud Crests, Omnicoins, and other various materials!
Yum Cha Sin Overview

Visit this Shop in the Waifei Peninsula, complete neighbourhood wishes and various other commissions in order to earn Cloud Crests, Omnicoins, and a lot of materials!
Yum Cha Sin is Located on Failume Heights, in the Waifei Peninsula and can be interacted with by speaking to Sweetie.

How to Unlock Yum Cha Sin?
Yum Cha Sin unlocks once you reach the Waifei Peninsula and start the As Time passes: A Decade of Suibian Temple Event, as this shop is heavily linked to it. The store becomes accessible once you reach Restoration level 3 for the Suibian Temple. The commissions unlock after Restoration level 10.
In this shop you will be able to earn the different currencies needed at the Suibian Temple: Cloud Crest and Omnicoin. You can also obtain various materials. All you have to do is complete a few special commissions!
You can complete Neighbourhood Wishes and Regular Procurement Commissions to obtain the currencies needed to buy the materials required for the Suibian Temple restoration.

Neighbourhood Wishes are simple commissions where you have to either:
- Collect Supplies Wishes - Hand in specific materials
- Commissions - Complete a commission for a client at the Aerospace City in the Lemnian Hollow
List of All Available Commissions
Yum Cha Sin Commission | Restoration Level Required |
---|---|
Mysterious Machines | Level 10 |
Me and Qian | Level 10 |
Fantastic Banboo and Where to Find Them | Level 15 |
Approaching Porcelume (I) | Level 15 |
Approaching Porcelume (II) | Level 20 |
Secrets of Eridu | Level 20 |
Approaching Porcelume (III) | Level 25 |
Boo to Work | Level 25 |
The Hollow Raider | Level 30 |
Lucky Charm | Level 30 |
Riddler | Level 35 |
Memory Shard | Level 35 |
Neighbourhood Wishes that require you to hand in materials can typically be completed by simply crafting the required items at the crafting station in the Suibian Temple menu. However, two clients will ask for specific items you can only find in Failume Heights or the Aerospace City.
Inert Ether Canister are gathered inside the Former Employee Community and Carefree Apartments in the Aerospace City, while Fortune's Tea Pet can be collected by opening Mini Cargo Trucks in Failume Heights.
The Cargo Trucks are located in the following areas:

What Can You Obtain at Yum Cha Sin?
Handing in Commissions at Yum Cha SIn will reward you with currencies needed to both buy rewards at Devon Pawnshop and raw materials at Good Goods, as well as various upgrade materials and Suibian Temple Restoration Level experience.
Commissions can reward you one or multiple items depending on the order. Simple supply orders will only reward you some Cloud Crest and Wishletter, while through bigger commissions you will obtain more rewards.

Here is everything you can get as rewards:
- Cloud Crest
- Wishletter
- Omnicoin
- Senior Investigator Log
- Denny
Changelog
- 16 Jun. 2025: Guide updated.
- 02 Jun. 2025: Guide added.

Jay is a long time Hoyoverse player in both Genshin and Honkai Star Rail, enjoying the exploration, lore, challenges, and theorycrafting for his favorite characters. Next to creating guides, he is also an avid fan of editing videos, and you can watch him stream on Twitch
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