Military action
In 267 B.P., the Remaen army, under the leadership of Marcus Sepitur, marched up past the Allfire Peaks into Brianey. Upon arival, Sepitur began his campain to conquer the region and the Briane, to gain legitimacy to support his claim to power. No one thought he could do it, due to the distance from the Imperium: within 11 years, the entire region was under Remaen control, thanks to superior technology and tactics.