Horus Heresy rumors are heating up with talk of new rules, units, and updates. Here is what could be coming and how it may impact your army.
If you have been side-eyeing your Horus Heresy collection versus the latest Age of Darkness roadmap for new releases, you are not alone.
The rumor mill is getting loud about new rules, fresh units, and a real round of updates that could shake list building, scoring, and even the way some Legions function on the table.
If you want the quick read on what might be coming and how it could impact your army, you are in the right place.
New Horus Heresy Rumors Are Stirring Things Up Again
Updated on April 1st, 2026, by Rob Baer with the latest rumors and leaks.
- The Scouring might be the next Horus Heresy “big wave”: not a new game, but an era push past the Siege of Terra.
- Plastic is supposedly coming for the old pain kits: more resin getting the boot, with talk of the Fire Raptor heading to plastic and more Heresy kits getting modernized like the new Cataphractii.
- Plastic Primarch chatter is back again: post-Angron Transfigured, the whispers say future Primarchs swap to plastic, with name-drops like Rogal Dorn (Siege of Terra options), Vulkan, and a Heresy-scale Guilliman.
- Perturabo and Abaddon stay in “rumor zone”: Perturabo keeps getting mentioned as a possible “Ascended” style release someday, and Abaddon is floated as a new-scale centerpiece tied to Justaerin/Siege vibes.
Horus Heresy Rumors: The Scouring Might Be Next
While the 11th edition is grabbing most of the spotlight, the Horus Heresy crowd may have something big brewing in the background. The rumor making the rounds is a Scouring expansion, not a brand new game, but a full add-on that pushes the timeline past the Siege of Terra and into the messy fallout that followed.
That means Mark VII armor is finally stepping into the Age of Darkness era in a real way. It also opens the door for refreshed character sculpts tied to that period. Think Sigismund in full Templar glory, early Black Templars flavor, and other First Founding icons reshaped by the end of the Heresy. There is also talk of additional Primarch models connected to this stretch of lore, which would be a massive draw on its own.
The key detail here is that this would slot into the existing Horus Heresy system rather than replace it. So we’re talking no reset button, just an era shift with new units, new narrative hooks, and probably some updated rules to reflect how the Legions fractured into Chapters.
If even part of that is true, ‘The Scouring’ could be the next big narrative wave release for Horus Heresy players with new armor marks, iconic characters in transition, and a setting that bridges directly into early 40k.
More Horus Heresy Kits Returning In Plastic
The redesign of the new Cataphractii Terminators isn’t just a one-off, either. According to rumors, it’s part of a wider push to modernize Heresy models, moving away from aging resin kits toward sleeker, easier-to-build plastics.
The Fire Raptor gunship is supposedly joining that plastic club, too, which means fewer warped wings and more hobby happiness.
It would also be nice to see the Mastodon updated in plastic, but that is pure wishlisting from us.
(Confirmed) Plus, with the Fellblade already in plastic, more super-heavies like the Falchion and Glaive could be next to roll off the production line, especially since they have models in Legions Imperialis now.
More Plastic Primarch Rumors
For years, Heresy players have fought their greatest battle not on the tabletop, but against resin warping. That nightmare might finally end soon. Multiple sources hint that future Primarchs will be in plastic, starting after Angron Transfigured.
This shift could make the most iconic models in the hobby sturdier, easier to assemble, and, best of all, more widely available.
- Rogal Dorn is rumored to get a new Siege of Terra-themed kit, complete with two loadout options: a massive power sword or a brutal chainsword.
- Vulkan may finally rise again in plastic, fitting nicely with new box art and a rumored revisit of the Isstvan campaign.
- Roboute Guilliman might be reimagined for The Horus Heresy instead of 40k, rounding out the loyalist lineup in true Ultramar fashion.
These moves suggest Games Workshop’s big-picture plan is to modernize every Primarch for the Horus Heresy, giving players centerpiece models that won’t snap under their own resin weight.
And yes, Perturabo’s name keeps coming up. Whispers from the rumor forums suggest the Iron Warriors Primarch himself may be returning, either as part of a new “Ascended” Primarchs line for The Horus Heresy or a lore-driven appearance in the future 40k narrative.
Rumors also point to Abaddon the Despoiler getting a new model in this updated scale, potentially part of a Siege of Terra diorama with his elite Justaerin Terminators.
Final Thoughts on The Latest Horus Heresy Rumors and Leaks
So right now, the best thing to do is treat these Horus Heresy rumors like a weather report, and not hobby gospel.
If new rules, new units, and real updates land, the players who win are the ones with flexible collections and calm heads. Do not gut your army list because a blurry leak says your pet combo is cooked. Keep your core, prep a few easy swaps, and watch for repeated signals, not one-off hype.
Right now, the best play is reps. Track what actually overperforms or bricks in your local games, then build a short list of “good in any patch” pickups. If the changes hit, you are ready. If they do not, you still end up with a sharper game and a better-painted army.
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What do you think of these Horus Heresy rumors?
