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.
Iwajira’s cave in Serenity’s Waste and Janey Springs’ Grinder in Concordia.
Iwajira can be reset repeatedly; Grinder attempts are repeatable only while you have Moonstones and expendable valid inputs. Amounts and results vary.
Stop the currency loop when your planned spend and reserve are covered, then switch back to campaign or another gear goal.
Open a guide to find other locations and see what the item is used for.
Building currency first lets you choose special Grinder attempts without draining resources needed elsewhere.