Arknights: Endfield shared a new announcement regarding upcoming content. Some events and challenges in the game are now starting earlier than planned. Nothing is changing in terms of rewards or content, but it just means that you can jump in sooner, take your time, and make sure you do not miss anything.
What Is Changing
Both the Inorganic Construct series in the Umbral Monument and the Old Wounds limited-time event will start a few days earlier. That gives you a bit more time to complete them without feeling rushed. Here is what changes:
- Umbral Monument – Inorganic Construct Challenges
This one now starts on February 22, 2026, at 12:00 (server time). The Inorganic Construct will be available in the Umbral Monument challenge mode. Once live, these challenges will be permanently accessible, so you can complete them whenever you want. - Monumental Etching: Old Wounds Limited-Time Event
The update for this event has also been moved up to February 22, 2026, at 12:00 (server time), but the end time stays the same. If you complete the Inorganic Construct challenges during the event, you will unlock the corresponding rewards.

What Stays the Same
Other events and gameplay, including Those Forsaken by the Land and Delver of the Cryptic, are not affected. On top of that, all the other schedules, content, and rewards remain unchanged as well.
This small adjustment is a helpful heads-up for anyone planning their farming or challenge runs. You now have a little extra flexibility to jump into the new content and secure rewards earlier, so mark your calendars!
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