Defeat Multiple Heartless Battle Event

Defeat Multiple Heartless Battle Event is a series of ten quests in Kingdom Hearts Unchained χ / Union χ, in which players need to defeat various strong Heartless. It was available from August 17 to 25, 2020 in both versions.

Extra rewards were sent to all players based on the number of players that cleared all objectives.

Number of players	Rewards
1,500+	Power Gem x30 Speed Gem x30 Magic Gem x30
1,200 - 1,499	Power Gem x15 Speed Gem x15 Magic Gem x15
900 - 1,199	Power Gem x10 Speed Gem x10 Magic Gem x10
600 - 899	Power Gem x5 Speed Gem x5 Magic Gem x5
300 - 599	Power Gem x3 Speed Gem x3 Magic Gem x3
1 - 299	Power Gem x1 Speed Gem x1 Magic Gem x1

• Defeat the Heartless - 1/10
• Defeat the Heartless - 2/10
• Defeat the Heartless - 3/10
• Defeat the Heartless - 4/10
• Defeat the Heartless - 5/10
• Defeat the Heartless - 6/10
• Defeat the Heartless - 7/10
• Defeat the Heartless - 8/10
• Defeat the Heartless - 9/10
• Defeat the Heartless - 10/10