"Overflowing Mastery" Event: Double drops with Talent Level-Up Materials!
〓Event Duration〓
2022/05/22 04:00:00 - 2022/05/29 03:59:59
More Info
#GenshinImpact
https://www.hoyolab.com/article_pre/7407

https://twitter.com/GenshinImpact/status/1527499356781223936