The moment the horn of Gjallarhorn was blown, all the people in the world instinctively knew that the day of judgment had come.
As if to confirm their greatest fears, the Kings of each Nation made an announcement that their enemy had come, and all their armies would be mobilized to face them.
Just as they originally planned, all the non-combatants would be housed on the Floors of Babylon that were under William's authority.
The Tower was protected by a powerful law that prevented it from being damaged by outside forces. Because of this, it was the safest place in the world, until every member of the Alliance drew their last breath.
Because they had already practiced how the evacuation would be conducted several times over the past year, the people who were not part of the fighting already knew what to do.