Trails of Cold Steel III Confidential Material Book ~Erebonian Empire 1206~

Trails of Cold Steel III Confidential Material Book ~Erebonian Empire 1206~ (英雄伝説 閃の軌跡III 秘蔵設定集 ～EREBONIAN EMPIRE 1206～) is a booklet that was included in the limited edition of Ys VIII: Lacrimosa of Dana for PlayStation 4, which was released on May 25, 2017.

Contents

 * Main/Sub Character Illustrations, p. 03-19.
 * Key Visual, p. 20-23.
 * Concept Art Gallery, p. 24-25.
 * World Visual, p. 26-27.
 * Weapon/Gadget Design, p. 28-29.
 * Emblem Design, p. 30.