Save the Eye of Helios room for repeated chests
After defeating Zarpedon, loot the treasure room and save and quit from inside it to refresh the chests.
Borderlands: The Pre-Sequel FARMING GUIDESKnow what to farm.
Know what to farm.
And where to go.
The Pre-Sequel adds Moonstones and the Concordia Grinder to Borderlands’ boss and chest loops. The Eye of Helios treasure room can be reset after its story boss, while Iwajira is a repeatable Moonstone source and Guardian Hunter offers an unfinished mission wave farm. Grinding duplicate items can turn spare gear into a desired weapon class.
17 farming guides · PC / Global, base game and released DLC
What matters before you farm
Unlock requirements, costs and tips to help you get started.
Iwajira serves gear and currency goals
Iwajira in Serenity’s Waste can provide Moonstones and a chance at the Thingy launcher, making the route useful for either goal.
Sources & fact checks
Choose Grinder inputs with the output in mind
For the Legendary recipe, the purple item sets the result’s weapon type. Moonstone Grind adds a Luneshine chance, so spend the currency when that tradeoff suits your goal.
Sources & fact checks
Farm with a purpose
Prioritize current Moonstone and targeted gear goals first, followed by repeatable general loot routes and Grinder progression.
Boss and enemy farming
Farm Iwajira for Moonstones and Thingy
Iwajira offers a repeatable boss kill with Moonstone and Legendary loot potential.
Moonstones and crafting inputs
Farm Moonstones from Iwajira
A repeatable boss route supplies Moonstones for upgrades, Moonstone chests, and special Grinder recipes.
Boss and enemy farming
Farm Felicity for Moonstones and the Quasar
Felicity combines a boss loot check with access to a chest room, including a Moonstone Chest.
Legendary gear and Grinder outputs
Farm legendary loot during Research and Development
This multi-part route combines chests, lockers, named enemies, and a repeatable reward interaction for broad loot hunting.
Legendary gear and Grinder outputs
Check Tiny Destroyer for the Moonlight Saga Oz Kit
Tiny Destroyer has a chance to drop the Moonlight Saga, giving this named enemy a focused gear check within a broader map route.
Legendary gear and Grinder outputs
Check EX Stalker for Celestial Vanquisher class mods
EX Stalker provides a named-enemy chance for Celestial Vanquisher class mods during the Research and Development route.
Legendary gear and Grinder outputs
Browse more guides in this category.
Legendary gear and Grinder outputs
Farm legendary loot during Research and Development
This multi-part route combines chests, lockers, named enemies, and a repeatable reward interaction for broad loot hunting.
Legendary gear and Grinder outputs
Check Tiny Destroyer for the Moonlight Saga Oz Kit
Tiny Destroyer has a chance to drop the Moonlight Saga, giving this named enemy a focused gear check within a broader map route.
Legendary gear and Grinder outputs
Check EX Stalker for Celestial Vanquisher class mods
EX Stalker provides a named-enemy chance for Celestial Vanquisher class mods during the Research and Development route.
Legendary gear and Grinder outputs
Check Torques for the Bonus Package grenade mod
Torques and Badass Torques offer a chance at the Bonus Package during the Research and Development clear.
Legendary gear and Grinder outputs
Repeat Benjamin Blue’s Research and Development reward
After activating the map’s four pressure pads, Benjamin Blue offers a shorter repeatable loot interaction.
Legendary gear and Grinder outputs
Open the Eye of Helios treasure room
The post-Zarpedon chest room provides a repeatable source of varied gear, ammunition, and saleable items.
Boss and enemy farming
Browse more guides in this category.
Boss and enemy farming
Farm Iwajira for Moonstones and Thingy
Iwajira offers a repeatable boss kill with Moonstone and Legendary loot potential.
Boss and enemy farming
Farm Felicity for Moonstones and the Quasar
Felicity combines a boss loot check with access to a chest room, including a Moonstone Chest.
Boss and enemy farming
Repeat Zarpedon through the Eye of Helios chests
This route clarifies that the lasting farm is the treasure room, not repeatedly defeating the story boss.
Boss and enemy farming
Leave Guardian Hunter unfinished for repeated waves
An unfinished mission objective allows repeated Guardian spawns for experience, cash, gear, and Moonstones.
Moonstones and crafting inputs
Browse more guides in this category.
Moonstones and crafting inputs
Farm Moonstones from Iwajira
A repeatable boss route supplies Moonstones for upgrades, Moonstone chests, and special Grinder recipes.
Moonstones and crafting inputs
Use Moonstone Grind for Luneshine chance
Moonstone grinding spends currency to improve the rarity outcome and can add a Luneshine effect.
Moonstones and crafting inputs
Collect gear to feed the Grinder
Sorting spare equipment into valid inputs turns otherwise unwanted drops into potential upgrades.
Character and gear progression
Browse more guides in this category.
Character and gear progression
Farm the Eye of Helios for level-scaled gear
The post-Zarpedon chests offer a repeatable broad gear refresh as your character advances.
Character and gear progression
Use a Moonstone route before repeated Grinds
Building currency first lets you choose special Grinder attempts without draining resources needed elsewhere.
Character and gear progression
Unlock the Grinder early in Concordia
Unlocking Janey Springs’ machine opens a permanent way to process spare equipment into new gear.
EXPLORE YOUR NEXT SESSION
Browse goals & materials
Recommended farming guides. Search by item, goal or location.
Boss and enemy farming
Farm Iwajira for Moonstones and Thingy
Iwajira offers a repeatable boss kill with Moonstone and Legendary loot potential.
Moonstones and crafting inputs
Farm Moonstones from Iwajira
A repeatable boss route supplies Moonstones for upgrades, Moonstone chests, and special Grinder recipes.
Boss and enemy farming
Farm Felicity for Moonstones and the Quasar
Felicity combines a boss loot check with access to a chest room, including a Moonstone Chest.
Legendary gear and Grinder outputs
Farm legendary loot during Research and Development
This multi-part route combines chests, lockers, named enemies, and a repeatable reward interaction for broad loot hunting.
Legendary gear and Grinder outputs
Check Tiny Destroyer for the Moonlight Saga Oz Kit
Tiny Destroyer has a chance to drop the Moonlight Saga, giving this named enemy a focused gear check within a broader map route.
Legendary gear and Grinder outputs
Check EX Stalker for Celestial Vanquisher class mods
EX Stalker provides a named-enemy chance for Celestial Vanquisher class mods during the Research and Development route.
Legendary gear and Grinder outputs
Check Torques for the Bonus Package grenade mod
Torques and Badass Torques offer a chance at the Bonus Package during the Research and Development clear.
Legendary gear and Grinder outputs
Repeat Benjamin Blue’s Research and Development reward
After activating the map’s four pressure pads, Benjamin Blue offers a shorter repeatable loot interaction.
Legendary gear and Grinder outputs
Open the Eye of Helios treasure room
The post-Zarpedon chest room provides a repeatable source of varied gear, ammunition, and saleable items.
Boss and enemy farming
Repeat Zarpedon through the Eye of Helios chests
This route clarifies that the lasting farm is the treasure room, not repeatedly defeating the story boss.
Character and gear progression
Farm the Eye of Helios for level-scaled gear
The post-Zarpedon chests offer a repeatable broad gear refresh as your character advances.
Boss and enemy farming
Leave Guardian Hunter unfinished for repeated waves
An unfinished mission objective allows repeated Guardian spawns for experience, cash, gear, and Moonstones.
Legendary gear and Grinder outputs
Grind two Legendaries with a purple weapon of the target type
The Grinder can convert spare high-rarity weapons into a random Legendary of a chosen weapon class.
Moonstones and crafting inputs
Use Moonstone Grind for Luneshine chance
Moonstone grinding spends currency to improve the rarity outcome and can add a Luneshine effect.
Moonstones and crafting inputs
Collect gear to feed the Grinder
Sorting spare equipment into valid inputs turns otherwise unwanted drops into potential upgrades.
Character and gear progression
Use a Moonstone route before repeated Grinds
Building currency first lets you choose special Grinder attempts without draining resources needed elsewhere.
Character and gear progression
Unlock the Grinder early in Concordia
Unlocking Janey Springs’ machine opens a permanent way to process spare equipment into new gear.
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