Deus Belli

Deus Belli is a technique book in Aretisia: Tenebris Dominus.

Description
When equipped, Deus Belli increases XP gain for a single party member by 50%.

Trivia

 * The icon for Deus Belli is the same as the icon used for active save slots.
 * Deus Belli is also the name of a song in the music menu.