Adamantite Ore Challenge (Treasure Trove)
The Treasure Trove version of "Adamantite Ore Challenge" (アダマントチャレンジ Adamanto Charenji , lit. "Adamant Challenge") is a series of five quests in Kingdom Hearts Unchained χ / Union χ, in which the Player is granted Adamantite Ore for completing objectives. It was introduced on June 6, 2016 in the NA version. The series is available for a week, then cycles to the next series of Adamantite Ore Challenge quests.