Hades Cup is a recurring Event in Kingdom Hearts Unchained χ / Union χ, in which players can earn rare rewards by completing difficult quests. In the Event Quests, players are unable to continue if they run out of HP.

Hades Cup #1

 

The first Hades Cup was available from August 31 to September 11, 2017 in the English version. Rewards included 6000 Jewels, a Magic Broom Medal, a Speed Gem, two Power Gems, and two Magic Gems.

Hades Cup #2

 

The second Hades Cup was available from November 20 to December 4, 2017 in the English version. Rewards included 6000 Jewels, 2 Magic Broom Medals, a Fantasia Mickey B Medal, a Power Gem, a Speed Gem, an Magic Gem, and two Moon Gems.