Vanitas Remnant B Challenge
Vanitas Remnant B Challenge is a series of one quest in Kingdom Hearts Unchained χ / Union χ, in which the Player is granted Vanitas Remnant B Medals and a Trait Medal #50 for completing objectives. In the English version, it was available as a bonus for buying the Weekly Jewels Extravaganza from October 15 to 21, 2018 and from October 22 to 28, 2018.
From October 22 to 28, 2018, a second quest was available, granting players three Trait Medal #51 Medals.