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During the Horus Heresy, Yarant III became the site of a battle between the Space Wolves and a coalition of traitor forces led by Abaddon. The Space Wolves were routed and Leman Russ badly injured, though in the end they were saved by the Raven Guard led by Corax.
In earlier editions, it was stated that the Space Wolves had been routed by only the Alpha Legion at Yarant.[Needs Citation]