What Is Uptrade?

Uptrade is a feature that helps you complete a Collection or upgrade to a Golden Plate. You can select 6 or 8 Artifacts (depending on their tiers) of a lower tier and use them to get higher-tier Artifacts.

To Uptrade, you need 6 Artifacts to get Purple and Magenta Artifacts. However, you need 8 Artifacts to get Red and Gold Artifacts.