Hrud are mentioned on page 139 of the 4th edition rule book, so it's reasonble to assume they still exist in the 40k universe

Could someoe more knowledgeable than I...

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...chop that into paragraphs? Its unreadable at the moment.

Sources

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Can anyone state the accuracy of the sources for all this information? In particular, is the long paragraph from Portent.net a user fabrication or something from Games Workshop? All I know of them is from the description of the Hrud fusil in Inquisitor and the fact that Jan Van Yastobaal (also Inquisitor) needs Hrud panacea to survive. I believe one of the Index Astartes also mentions that a Space Marine Legion fought them during the Great Crusade, but I don't remember exactly. —Archlords