Ayunchin Incident

The Ayunchin Incident was an Imperial castigation campaign carried out against the recalcitrant world of Ayunchin by a regiment of the Mordian Iron Guard and the Jiangshi Riders Space Marine Chapter.

History
The Hive World of Ayunchin began open rebellion against the Imperium, and the 103rd Mordian Iron Guard were deployed alongside the 5th Court of Jiangshi Riders to put an end to it. While the Mordians began open combat, the Riders deployed their strike teams into enemy lines, and found the citizens of the planet unworthy of redemption. Knowing they could not be allowed to live, the Riders deployed their full force and began a destructive, sweeping purge of the planet, slaughtering everything in their path. Caught in the way of the Jiangshi Riders, the 103rd Iron Guard were nearly completely destroyed, and the situation led to the Iron Guard, as a whole, to refuse to work alongside the Riders.