Perdan declared war on Nivemus after having Obsidian Islands lowered OI relations with Nivemus to Peace. The many realms Diplomacy web tangles of alliances have to be resolve before any war can happen.
The war begins with Perdan army attacking Nivemus's Salta region by using OI land of Gadlock. Nivemus forseen the dangers and moves quickly to minimize the damage to its land. Sirion army moves in to do a cleanup and as a result, some of Perdan army not able to turn around in time and were defeated.
Undeterred, Perdan army moves to damage Nivemus's Oberndorf region after gathering in Gadlock region. Both Nivemus and Sirion army move to defend the region, Perdan again moves out in time but lost some men that lagged behind.