So Primarchs are larger even than Space Marines and Vulkan, founder of the Salamanders, was large even by those standards. But he’s also documented as having a sense of humor so that’d make him the JOLLY GREEN GIANT.
Clearly this is why GW isn’t going to sell (presumably mushy) peas
@CoyoteTraveller at some point, read up on The Great Beast and the War of the Beast, and it's easily as big a tzimmis as the Horus Heresy ITSELF.
@Leucrotta Every once in a while I make the mistake of trying to read up on WH40k lore. I get fifteen minutes into a Fandom page, decide to check how big the page is, and realize I'm maybe 20% of the way through it.