Arknights new event "Grani and the Knights’ Treasure" PV with English subtitles February 2020 

Text translated by me.
Grani is a 5-star block-1 vanguard focusing on defense. You can get her for free in the events.
She cannot replace Vigna and Vigna will be more useful in most situations.
Skadi is a 6-star block-1 guard. She's a better Melantha.
This event is said to launch on 5th Feb 2020 on global server.
You can watch the animation trailer for this event on the official Yostar channel: • Arknights Animation PV...
CN server dates:
PV release date: 05/27/2019
Event date: 05/30/2019