It's a battlezone mission from Dariusburst Chronicle Saviours.
The invaded version has a total of 9 zones.
Normal version
| Zone | BGM | Boss |
|---|---|---|
| α | Abyssal Withdrawal | Solid Claw |
Invaded version
| Zone | BGM | Captain | Boss |
|---|---|---|---|
| α | Fast Lane | Hermit Purple | Mud Wheel |
| β | Opposition | Heavy Muffler x2 | Dark Flare |
| γ | I LED NU-RED-GAS | Red Lantern | Brightly Stare |
| δ | Hinder Four | None | Trident Jaw |
| ε | You'll Be in My Thoughts | Red Lantern | Great Thing |