Captain Dark Challenge
Captain Dark Challenge is a series of one quest in Kingdom Hearts Unchained χ / Union χ, in which the Player is granted Captain Dark Medals and a Trait Medal #73 for completing objectives. In the English version, it was available as a bonus for buying the Weekly Jewels Extravaganza from January 7 to 13, 2019 and from January 14 to 20, 2019.