Re To thank you for your support, we will be giving out Primogems ×800 from Dec.10 to Dec.13.
*How to Claim Rewards:
Primogems ×200 shall be given out to Travelers via in-game mail at 00:00 (Server Time) each day from Dec. 10 to Dec. 13.
#GenshinImpact

https://twitter.com/GenshinImpact/status/1601063459428384769