The teaser video revealed the ongoing adaptation based on the mobile game
Kodoani.com – Arknights, a television anime based on the mobile game of the same name, has announced its third season. The new section is titled Arknights: RISE FROM EMBER, and an introductory video was published. However, as of this writing, no additional details such as staff, cast or release date have been revealed.
Crunchyroll is currently streaming the previous two seasons of Arknights, titled PRELUDE TO DAWN and PERISH IN FROST respectively. The description for the series is as follows:
After the unknown Catastrophes in the heart of Terra, a mineral of unimaginable power was discovered. With it, society's technology has developed by leaps and bounds, but this substance causes a deadly incurable disease, leading to worldwide enslavement of those infected. As the rebellion grows, a pharmaceutical company races to find a cure to save humanity.