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Stalk-Argot was the language of the '''Shadowmasters''' of the [[Raven Guard]] legion during the [[Horus Heresy]]. Stalk-Argot is described as a combination of wind whispers and delicate sighs which was almost indistinguishable from the wind of [[Constinax]]. It is used by the Mor Deythan to issue commands when total secrecy and/or absolute silence is needed.

==Sources==

*[[Corax: Soulforge (Novella)]] Chapter 2, pg. 37