The latest patch, detailed in the June Neowsletter, finally brings the Bestiary to the Compendium. For players who obsess over enemy patterns and intent logic, this is a game-changer. No more alt-tabbing to a wiki mid-run; you can now study the move pools and behaviors of every monster you've encountered directly within the game's menus. It’s an essential tool for high-ascension climbing where knowing exactly when a multi-hit attack is coming can save a run.
Equally significant is the official enabling of Steam Workshop support. While the modding community for the original game was legendary, Slay the Spire II is now ready to follow suit. Players can now browse, install, and manage community-made mods directly through the Steam client. To facilitate this, Mega Crit has also released a dedicated mod uploader tool, ensuring that creators have the infrastructure needed to begin expanding the Spire with new characters, cards, and relics.
The developers also took time to clarify some lore and design choices. We've learned that the design of the Ceremonial Beast was heavily influenced by specific ritualistic aesthetics, and we finally have official nomenclature for some of the more bizarre entities like the Kaiser Crab and Nonupeipe. It's a small touch, but it adds flavor to the procedural climb.
Community engagement remains high with the announcement of the 'Slay the Summer 2' art theme. Submissions are open until July 10, 2026, giving artists a chance to show off their interpretation of the Spire's denizens in the heat. Between the new Bestiary and the floodgates opening for mods, the meta is about to get a lot more interesting.
Soren