Divine Reverence War (奉神戦争, Matsu Shin Sensō) is a conflict between the Alzano Empire and Rezalia Kingdom. It takes place 40 years prior to the beginning of the series, and conclude with armistice treaty from the both sides.

Effects Edit

On the Empire side, the war left its conflicts in the economy, difficulties in territorial management let many aristocrats died, the number of official court nobles and deputies increased by the centralized policy.