Borderlands 3 Eridium Uses
You can then use the Eridium to either take your chances on the Vault Line Slot Machine, or go see Earl at the bottom of the Sanctuary spaceship to buy special cosmetics and weapons in exchange. Side note: If picking up a new currency (eg. Eridium for the first time), the money pointer will point to that instead of the normal cash. I suspect it will point to whatever currency you pick up at any given time. Slot machine cheat - Thanks Agasio Here's how you use it. Numpad+ will turn the script on and off.
When Can You Mine Eridium?
First you need to complete the 10th Mission: Beneath the Meridian – that you gain the ability to harvest Eridium Ore from the ground wherever you may find it, which can be extremely useful for amassing an Eridium horde. All you need to do once the upgrade is obtained is smash the purple rocks with melee attacks.
Tiny Tina Slot Machine
Aside from that, your best ways of finding more Eridium are killing (obviously), and taking a spin on the Slot Machines for small Edirium payouts. You can then use the Eridium to either take your chances on the Vault Line Slot Machine, or go see Earl at the bottom of the Sanctuary spaceship to buy special cosmetics and weapons in exchange for the currency.
