Fourth Wing Book 4 Update: Rebecca Yarros Is Still Writing It — Here’s What That Means for the Release Date
Spoiler-light: This update discusses publication timing and the Empyrean series status without unpacking major Onyx Storm ending spoilers. Quick answer: Rebecca Yarros is still working on Empyrean Book 4 . A fresh September 2026 update tied to the Threshing Day tour indicates she expects to keep writing the fourth main novel this fall. There is still no official title or release date for Book 4, so claims that it is definitely arriving in 2027 should be treated as prediction, not confirmation. The new Fourth Wing Book 4 update is not a release-date announcement Okay, Empyrean girlies, this is one of those updates where the most useful thing we can do is not turn three sentences into a fake publication calendar. Rebecca Yarros has announced a short promotional tour around Threshing Day , the Empyrean companion collection releasing September 29, 2026. In the same round of updates, she indicated that she will still be writing the fourth main Empyrean novel during the fall. Tha...
