Proving Grounds are endgame missions in Borderlands 3 in which you can kill many enemies to complete objectives and prove yourself to guardians. They become available after killing Troy when you pick up an Eredian Analyzer device to decipher an Eredian writing slab, which mentions Proving Grounds. There are currently six Proving Grounds missions you can unlock by finding their lodestars scattered throughout the galaxy. You can find the six Eredian lodestars to unlock all Borderlands 3 Proving Grounds at the locations specified below.
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The lodestars for the Borderlands 3 Proving Grounds aren’t specifically marked on the map. However, they are highlighted on the map with exclamation marks alongside other side missions. Looking for exclamation marks on the map in the specific locations below will enable you to find them.
Trial of Cunning Lodestar
You can find the lodestar for the Trial of Cunning Borderlands 3 Proving Ground in the Splinterlands area of Pandora. To find it, go to the Splinterlands Chop Shop fast travel station. Respawn a vehicle at the Catch-A-Ride station there and drive to the exclamation mark location circled on the map shown directly below. There, you’ll find the Trial of Cunning lodestar nestled beside a rocky wall.
The Trial of Cunning lodestar location
Trial of Survival Lodestar
The Trial of Survival lodestar is one you can find in the Devil’s Razor area of Pandora. Head to the Devil’s Razer Roland Rest fast travel station in that area. From there, respawn a vehicle and ride to the circled area on the map below. You’ll know you’re in the right area when you see a bridge crossing. Walk down the path that leads beneath that bridge to find the lodestar.
The Trial of Survival loadstar location
Trial of Discipline Lodestar
The lodestar for the Trial of Discipline Borderlands 3 Proving Ground is the easiest one to find. You can find this loadstar near the Meridian Outskirts Drop Pad fast travel station on Promethea. Walk under the left side of the broken bridge structure directly ahead of that fast travel station. Turn left and follow the path leading to the lodestar highlighted on the map below from there.
The Trial of Discipline lodestar location
Trial of Fervor Lodestar
The Trial of Fervor lodestar is in the Jakobs Estate region of Eden-6. To find it, approach the entrance of the estate mansion on the mechanical lift. Take a left turn from that lift to walk over a bridge outside the mansion and follow the pathway that leads you to the Trial of Fervor lodestar exclamation mark.
The Trial of Fervor lodestar location
Trial of Instinct Lodestar
Trial of Instinct is another lodestar on Eden-6, but this one is in the Floodmoor Basin area of that planet. The best way to find it is to jump to the Knotty Peak fast travel station in that area. Walk down to the lower level of Floodmoor Basin and head to the exclamation mark point circled below to find the Trial of Instinct loadstar. You’re in the right place when you see a small hut opposite stairs leading to the lodestar.
The Trial of Instinct loadstar location
Trial of Supremacy Lodestar
The Trial of Supremacy lodestar is in the Desolation’s Edge map area of planet Nekrotafeyo. To find this one, head to the Desolation’s Edge fast travel station where you meet Typhon DeLeon. Grab a vehicle at the Catch-A-Ride station and ride across the map under the floating cube towards the high Guardian structure behind. You’ll find the Trial of Supremacy lodestar on the left side of that structure.
The Trial of Supremacy loadstar location
When you find those lodestars, you’ll receive discovery missions to find their trial areas. Those missions highlight the exact locations of the trials on the map with objective markers. Speak to the guardians outside the trial areas to enter the Proving Grounds. You can then have lots of fun playing through the unlocked Borderlands 3 Proving Grounds.
