This is the first-ever Helldivers 2 × Warhammer 40,000 crossover, and it is themed around the Cadian Kasrkin — elite soldiers of the Imperial Guard (Astra Militarum) — rather than the more famous Space Marines . The Warbond was officially unveiled on July 30, 2026, during the Warhammer Skulls Showcase 2026, after two months of teasers and community speculation
.
Confirmed contents of the Castellan's Creed Legendary Warbond:
Important purchasing restriction: The Castellan's Creed is a Legendary Warbond. It can only be purchased with Super Credits (in-game premium currency) and cannot be redeemed with standard Premium Warbond tokens . While Arrowhead Game Studios has not officially confirmed the exact price, most gaming media outlets and community sources expect it to cost 1,500 Super Credits, consistent with previous Legendary Warbonds like the Halo 3: ODST and Killzone collaborations
. The Warbond remains available permanently after release, unlike a limited-time shop rotation
.
Helldivers 2 entered the PlayStation Plus Game Catalog on the exact same day — August 12, 2026 — and is available to Extra and Premium subscribers at no additional cost . Sony Interactive Entertainment explicitly stated they expected this to drive a significant influx of new players, perfectly timed to coincide with the massive patch and the Warhammer crossover
. The addition was confirmed via the official PlayStation Blog
. Helldivers 2 is the headline title for the August 2026 Game Catalog lineup, which also includes Kingdom Come: Deliverance II, Vampire Survivors, and Hell is Us
.
Two concurrent community efforts launched on August 12:
As of the first day after launch, player sentiment has been predominantly positive:
No major negative backlash or widespread server issues were reported in the first 24 hours. A fuller picture of community sentiment — including Steam review trends and subreddit discussions — will likely emerge over the following days.