If you prefer to save your progress to iCloud, please note that:
1）You cannot have more than one copy of cloud save under one Apple ID. If you need to change device, please make sure that on the new device is logged in to the same Apple ID.
2）Your purchase is tied with your Apple ID and cannot be migrated to another Apple ID.
3）Your copy of cloud save on iCloud cannot be migrated to ChillyRoom server.
To use the cloud save feature bound with Apple ID, please follow the below steps.
Step 1: Log into your Apple ID
1) Go to Settings - Your Apple ID - iCloud - turn on Game Center, iCloud Backup and iCloud Drive. Most importantly, enable Soul Knight for using iCloud.
2) Log into Game Centre
Step 2: Retrieve/upload your progress from/to cloud (Soul Knight)
1) Tap on Cloud Save button
2) Now compare your cloud save to the local save. To retrieve your progress from cloud, tap on Retrieve Progress. To upload your progress to the cloud, tap on Upload Progress.
If this is your first time using this feature, you should see "Cloud save not found" on your cloud save information.
3) You may see a warning to double confirm. Please read carefully and click "yes" ONLY IF you want to perform the action.
4) Now your cloud save and local save should be exactly the same and your progress is retrieved from the cloud/uploaded to the cloud.