

UNISON LEAGUE · Collab archive
Let This Grieving
Soul Retire!
Unison League collaboration
Oct 1 – 16, 2025 Archived event
Explore the eventThe collab
Relics and treasure hunters.
The event guide, characters and exclusive gear.
7 of 7 event sections


Halloween characters
Characters
Available from Oct 8, 2025


Character effects
EX animations
Preview these effects on a character.
Preview these effects on a character.
Safety Ring!
Frame 0 / 100 · 30 fps
Drag to position · Arrow keys to nudge · Shift for larger steps
Collab music
Music
Battle tracks and themes from the Grieving Soul collaboration.
Selected track
Battle music 1
Let This Grieving Soul Retire!
On the road
Hunt for relics and face new foes.
3 stages · 11 quest difficulties
We Want to Go Relic Hunting

- We Want to Go Relic Hunting - Fledgling30 AP · Required power: 10,000 · Up to 5 players
- We Want to Go Relic Hunting - Proficient30 AP · Required power: 100,000 · Up to 5 players
- We Want to Go Relic Hunting - Elite40 AP · Required power: 150,000 · Up to 5 players
- We Want to Go Relic Hunting - Arcadia50 AP · Required power: 400,000 · Up to 5 players
I Want to Fight Killiam

- I Want to Fight Killiam - Proficient30 AP · Required power: 100,000 · Up to 8 players
- I Want to Fight Killiam - Arcadia50 AP · Required power: 400,000 · Up to 8 players
I Want to Hunt Giant Golems

- I Want to Hunt Giant Golems - Proficient30 AP · Required power: 100,000 · Up to 5 players
- I Want to Hunt Giant Golems - Elite40 AP · Required power: 150,000 · Up to 5 players
- I Want to Hunt Giant Golems - Arcadia50 AP · Required power: 400,000 · Up to 5 players
- I Want to Hunt Giant Golems - Carnage50 AP · Required power: 500,000 · Up to 5 players
- I Want to Hunt Giant Golems - Extreme60 AP · Required power: 800,000 · Up to 5 players
Special rules
■Special Rules The following special rules only apply to the "Extreme" difficulty level: -Reuse of Unison attacks is restricted (only when you have used all of your equipped monsters can you reuse a Unison attack.)
©Tsukikage,Chyko/MICRO MAGAZINE/"Grieving Soul" Committee
