☆ How Rush Saved Mercenary Day (Bounty Pack 1)
★ 12 active SHiFT Codes as of December 4, 2025
☆ Black Market Location
★ Elemental Weakness Chart
☆ Legendary Weapons
★ Builds: Vex | Amon | Rafa | Harlowe

This is a walkthrough for the Another Day, Another Universe mission in Borderlands 4. Read on to follow the objectives and clear the mission.
| ◀ Previous Mission | Next Mission ▶ |
|---|---|
| Rising Action | The Falling Wall |
List of Contents
| # | Walkthrough |
|---|---|
| 1 | Take the oxygen kit from Zane, then melee the door in front of you. |
| 2 | ![]() Find two oxygen kits in the area. The first oxygen kit can be found on a ledge near the device. The kit is held by a corpse. The second oxygen kit can be found ahead of the device on a metal platform, on another ripper corpse. |
| 3 | Return to Zane and Amara to give them the oxygen kits. |
| # | Walkthrough |
|---|---|
| 1 | ![]() Go to the marked location on the map to find the Elpis core. On the way you will reach a ripper camp. Kill them to advance to the objective. |
| 2 | ![]() At the end of the camp, jump on the floating platforms to to finally reach the other side. Clear the area of both rippers and Order forces. |
| 3 | ![]() After clearing the area, Zane and Amara will attempt to land the Dahl airship. Go to a platform and press the button on the console to activate the engine. This will not work, however. |
| 4 | ![]() Throw explosives into the large thruster floating at the center of the area. There are several of these explosives you can find scattered in the area. More Order forces will arrive to intercept you. |
| 5 | Once again attempt to activate the engine, which will this time destroy the wall ahead. |
| 6 | ![]() Proceed to reach the Elpis core until you reach an area full of threshers. |
| 7 | ![]() Run along the left side until you reach the edge. Step on the pad to launch yourself to a wreckage. In the wreckage, climb the ledge with your grappling hook. |
| 8 | ![]() Reaching the respawn point, look up again to use your grappling hook to get over the ledge. You will be met by rippers at the top. |
| 9 | ![]() Continue jumping on the platforms to reach the Elpis core. On the last platform, jump on the pad to reach the next area, where you will see another Dahl mine. |
| 10 | Pass through the mine entrance to reach another area full of rippers. It is not necessary to kill everyone here, so you may enter the mines. |
| 11 | ![]() Descend into the mines, following the purple crystals. At the other side, kill all the rippers within. |
| 12 | ![]() Flip the switch to take the elevator. This, however, will not work. |
| 13 | ![]() Find the power source for the elevator at the marked location. If you start the reactor, it will not work either. |
| 14 | ![]() To get the reactor to work, you will have to spin three turbines. The first turbine is directly in front of the console, while the other two are its sides. You will have to open their hatches and spin the turbines inside twice. Afterwards, start the reactor again. |
| 15 | Enemies will suddenly appear. Kill them all, then go back to the elevator to head to the surface. |
| 16 | ![]() The elevator will stop midway. Get off and hop on the side platform and jump to the climbable wall on the other side. Reach the surface by climbing the ladder at the top. |
| 17 | ![]() Once you get to the surface, Zane and Amara's airship will be attacked by Callis, the Ripper Queen. Leave the building to kill the enemies outside. Zane and Amara will join you eventually. |
| 18 | ![]() Escort Amara to the core. Wait for her to conjure a rift for you to enter the Phase dimension. |
| # | Walkthrough |
|---|---|
| 1 | ![]() In the Phase dimension, find Lilith. Run toward the glowing orbs to be transported to the next section of the path. |
| 2 | ![]() At the last orb, you will transported to where Lilith is. You will then be returned to Elpis. |
| 3 | After being taken back, you will be attacked by Moon-Maddened Callis. |
| # | Walkthrough |
|---|---|
| 1 | ![]() Phase 1: Kill Moon-Maddened Callis. Be careful of falling off the stage, as this will have you restart the entire boss fight. Callis' attacks have her launch mines and balls of fire. Jump and dodge out of the way to avoid them. Once you halve her first health bar, Callis will summon rippers. You may kill these rippers to trigger Second Wind if you are incapacitated. |
| 2 | ![]() Phase 2: At her second phase, Callis will summon a red web that hovers above the arena, which will allow her to move above you. While this web is active, she will have a shied that prevents you from harming her until the web disappears. Touching the web also slows you down and deals damage. |
| 3 | ![]() After killing Callis, wake up Lilith. |
How to Beat Moon-Maddened Callis
| Main Mission Rewards | |
|---|---|
| Base Reward |
・EXP ・Cash ・Eridium |
| Equipment Reward | ・Shotgun (Blue to Purple Rarity) |
| Cosmetic Reward | ・Fang Glider (Vehicle) |

Completing this mission will reward you with a new vehicle, the Fang Glider, available in the Customization menu under the Vehicles tab.

| # | Main Mission | ||
|---|---|---|---|
| 1 | Guns Blazing | ||
| 2 | Recruitment Drive | ||
| 3 | Down and Outbound | ||
| 4 | A Lot to Process | ||
| * | One Fell Swoop | Shadow of the Mountain | Wrath of the Ripper Queen |
| Rush the Gate | Crystal Brawl | Siege and Destroy | |
| ↓ | Dark Subject | Unpaid Tab | |
| His Vile Sanctum | Her Flaming Vision | ||
| 15 | Rising Action | ||
| 16 | Another Day, Another Universe | ||
| 17 | The Falling Wall | ||
| 18 | Means of Ascent | ||
| 19 | Plan Z | ||
| 20 | The Timekeeper's Order | ||
| 21 | Secrets of the Vault | ||
Another Day, Another Universe Walkthrough



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