Arknights - The Daggers' Inheritors is a oNA (web) anime, produced by Gravity Well.

About the production: the story comes from a video game, there is 1 episode of about 15 minutes and its current status is "finished".

Its main genres are action, fantasy and sci-fi, with themes such as Full CGI, War, Fugitive and Tragedy.

On AniList, Arknights - The Daggers' Inheritors has an average score of 70%, a good score, and appears on 357 users' lists.

Theresa was assassinated and the Tower of Babel fell. After the nameless soldiers involved in the core assassination mission were eliminated, W's anger was not extinguished yet. Next on the revenge list is a team of Sarkaz mercenaries who provided assistance outside the assassination operation. They were escorting "something" and fleeing to the border... This is a memory that W has never mentioned. It is the epitome of the Sakazi's struggle to survive the long war - the victim will pick up the dagger of the victimizer, and the cycle of destiny will continue. (Source: Bilibili, translated)

Official synopsis from AniList.