Adamantite Ore Challenge (Lady Luck)
The Lady Luck 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 May 27, 2016 in the NA version. The series is available for a week, then cycles to the next series of Adamantite Ore Challenge quests.