☆ 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 Bad Seed side mission in Borderlands 4. Read on to follow the objectives and clear the mission.
| Next Mission ▶ |
|---|
| Bad Seed Pt. 2 |
List of Contents

You need to complete Means of Ascent main mission first before unlocking Bad Seed.
Once unlocked, you can start the side mission by talking to Lysett in the northeast part of the Carcadia District in Dominion. Lysett will be on the balcony. You can climb the wall from the north side.
| # | Walkthrough |
|---|---|
| 1 | ![]() Take the bioengineered seed from Lysett. |
| 2 | ![]() Head north to The Groaning Core. Grapple up on the left side, then climb the wall on your left to reach the facility. |
| 3 | ![]() Press the button on the terminal to try to open the facility gate. Check the left side, then pull the body stuck in the gears with your grappling hook to fully open the gate. |
| 4 | ![]() Proceed into the facility and climb the ladder at the end of the area. Be ready to fight enemies along the way! |
| 5 | ![]() Grapple up the metal platform, climb the ladder, and enter the air duct at the upper left. |
| 6 | ![]() Use your grappling hook to pull the grille off the vent, then jump down to the transistor room. Defeat security! |
| # | Walkthrough |
|---|---|
| 1 | ![]() Climb up onto the platform in the middle and interact with the computer to hack the security console. |
| 2 | ![]() Enter the door straight ahead to the maintenance shaft. Jump over the fire to your left, then climb the wall to reach the upper level. |
| 3 | ![]() Continue forward to reach the transistor capacitor. Use your grappling hook to pull both sides of the transistor to spin the turbines. |
| 4 | Return to the transistor room and defeat the reinforcements! |
| 5 | ![]() Go through the door where the reinforcements came from and head upstairs to the control room. Press the button on the terminal to overcharge the transistor. |
| 6 | ![]() Enter the now open large door at the far end of the room to access the core room. Defeat the facility director and guards. |
| 7 | ![]() Interact with the marked spot to place the seed in the core. Flip the switch to overcharge the core. |
| 8 | ![]() Pick up the seed and leave the facility to complete the mission. |
| Side Mission Rewards | |
|---|---|
| Base Reward |
・EXP ・Cash |
| Weapon Reward | ・SMG (Green to Purple Rarity) |

Bad Seed Walkthrough



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