Treason

Treachery (悪逆) is Chapter 26 of Fire Emblem: Fates in the Conquest Version.

Dropped Items

 * Excalibur - Iago
 * Aurgelmir - Ganz

Chest Items

 * Expert Yumi
 * 20,000G
 * Seraph Robe
 * Warrior Naginata
 * Bifrost