Great Battle vs. Sephiroth
Great Battle vs. Sephiroth is a series of ten quests in Kingdom Hearts Unchained χ / Union χ, in which players need to defeat Sephiroth. It was available from April 16 to 26, 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 |
|---|---|
| 1,800+ |  Power Gem x30 Speed Gem x30 Magic Gem x30
|
| 1,400 - 1,799 | Power Gem x15 Speed Gem x15 Magic Gem x15
|
| 1,000 - 1,399 | Power Gem x10 Speed Gem x10 Magic Gem x10
|
| 600 - 999 | Power Gem x5 Speed Gem x5 Magic Gem x5
|
| 200 - 599 | Power Gem x3 Speed Gem x3 Magic Gem x3
|
| 1 - 199 | Power Gem x1 Speed Gem x1 Magic Gem x1
|
- One-Winged Angel - 1/10
- One-Winged Angel - 2/10
- One-Winged Angel - 3/10
- One-Winged Angel - 4/10
- One-Winged Angel - 5/10
- One-Winged Angel - 6/10
- One-Winged Angel - 7/10
- One-Winged Angel - 8/10
- One-Winged Angel - 9/10
- One-Winged Angel - 10/10