What's the use of certificates for ancient trees and star walls?

The evidence of Xing Yuan obtained the necessary materials for this series of characters.

Successfully challenge the main level-extremely difficult, Star Wars series challenges in a limited time, and some active levels can get this material.

Unlocking condition:

The difficulty level H3-5 is cleared on the main line.

Role details:

SP rarity "Wei Zi Xing Yuan" series of characters will be launched soon. Explorers can enter the special interface through the source entrance of Wei Zixing, the main interface, and consume the specified materials to obtain this series of characters.