Exploring Borderlands 4’s neglected excavation zones reveals critical opportunities for gear upgrades. These underground complexes house formidable enemies yielding rare equipment – essential for maximizing your Vault Hunter’s combat efficiency.

Strategic mine positions across Kairos

Consult this interactive guide showing all undocumented mining facilities (credits to Map Genie):

Complete mine breakdown

Carcadia District: Toil of Spoiling Vis

Confront warlord Axemaul here for chances at:

• Bod (Unclassified armament)
• Kill Spring (Medical apparatus)
• Buzz Axe (Explosive device)

Grindstone of the Worthy: Embossed Fault

Skull Orchid guards:

• Roach (Hand cannon)
• Oak-Aged Cask (Protective barrier)

Ruined Sumplands: Trinket Crevass

Defeat Rocken Roller for:

• AF1OOO (Classified item)
• Songbird (Artillery piece)

Stoneblood Forest: Bittervein

Bramblesong’s potential drops:

• Convergence (Ballistic system)
• Disco (Pyrotechnic device)

Cuspid Climb: Whistler’s Maw

Overpower Shadowpelt for:

• Sparky Shield (Defensive matrix)
• Vamoose (Long-range implement)
• Slippy (Detonation module)

Dissected Plateau: The Claim

Backhive’s arsenal includes:

• Mega Triple Bypass (Combat revival kit)
• Stop Gap (Precision armament)
• Cindershelly (Energy barrier)

Coastal Bonescape: Timid Kyle’s Neglected Opening

Voraxis holds:

• Darkbeast (Compact firearm)
• Potato Thrower IV (Projectile system)
• Buoy (Classification pending)