Dragalia Lost is shutting down after final March update.
"The Dragalia Lost main campaign is scheduled to reach its conclusion in July of 2022 with part two of chapter 26, the final and climactic addition to its long-running story.."
"After the main campaign has concluded, service for the game itself will come to a close at a later date. Further details on the end-of-service schedule will be provided in a future notification."