Expert Treasure Hunter

from Legend of Heroes, The: A Tear of Vermillion

platforms

Open all treasure chests in chapters 3 and 4 (Quitt Byway, Pregon Cave, Scotia Shrine, Grand Canyon, Idun Shrine, Notos Forest, Nephtys Shrine, Valkd Cathedral, Eiton Cave, Zar Shrine and Sealed Land) Refilled chests do not count.