A set of Echo Gems are held by the queen of Tonfon, Lady Hinechou, and her daughter, Hou Ju. Hou Ju is captured and held prisoner at Belinsk, and later, the Grave Eclipse sows chaos and death across much of Angara; Hinechou is worried enough that she can't bear to look at the Echo Gem in her drawers, which risks telling her that Hou Ju is dead. Late in the game, Matthew and his party, looking for Ryu Kou and Hou Ju themselves, get Hinechou's Echo Gem through devious means, and pinpoint Hou Ju's location at the top of the sea, at Iceberg Outpost. After Hou Zan dies and is buried, Hou Ju dedicates her own Echo Gem to his grave before returning to Tonfon with Ryu Kou and Matthew. Afterward, Hinechou's Echo Gem may be sold for 2400 coins.