What is reign of chaos: total war?

During the Reign of Chaos event there will be war days 3 times a week starting in the second week of the RoC event. During the war day your alliance can declare war on (or be declared upon) another alliance from the group of provinces you are competing with. You can choose alliances that are close to you in season points.

The war lasts for a few hours and you will be able to attack each others alliance centers and buildings to score points. Check the guide for the Reign of Chaos: Total War event for more details.