To get the Triple Bypass Legendary Repkit in Borderlands 4, defeat Backhive at the end of The Claim Abandoned Auger Mine in the Fadefields. The Repkit is a chance drop, so repeat the fight; the nearby Encore Machine can reset the encounter.
Where to find Backhive and The Claim
The Claim is an Abandoned Auger Mine in the Dissected Plateau area of the Fadefields, near the Zadra’s Backup Plan fast travel point. Clear the mine to reach Backhive, the boss associated with the Triple Bypass drop. The item guides from Game8 and Mobalytics both identify this as the farm.
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How to farm the Triple Bypass
- Travel to the Fadefields and head to The Claim, near Zadra’s Backup Plan fast travel point.
- Fight through the Abandoned Auger Mine until you reach Backhive.
- Defeat Backhive and check the loot for the Triple Bypass. It is not guaranteed to drop.
- If it does not appear, use the nearby Encore Machine to reset the encounter, then defeat Backhive again.
No verified drop-rate percentage or dependable estimate for the number of attempts is available in the cited guides, so expect to repeat the boss fight without a guaranteed timeline.
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PC Gamer reports that Abandoned Auger Mine activities become accessible after progressing the campaign into Terminus Range and completing the Shadow of the Mountain mission. This is guide-reported progression advice; official publisher documentation confirming the requirement was not identified. See PC Gamer’s Abandoned Auger Mine guide.
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What the Triple Bypass does
Mobalytics describes the Triple Bypass as an Order Legendary Repkit with three charges and a 30% chance to replenish one charge on a kill. Its listed effect makes kills a potential way to restore a charge, but it does not change the farming method: Backhive at The Claim is the documented target.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which location should you farm?
Use The Claim and Backhive. A YouTube description also names The Toil of Spoiling Vis and another boss, but later edits its description to mention Backhive. Since the specific Triple Bypass guides from Game8 and Mobalytics both point to The Claim, the other mine is not an equally corroborated alternative.
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