Eridium is a rare material in the world of Borderlands 4 that you use as currency to pay for specific services. Since you won’t find lots of Eridium just waiting for you or an infinite farm location, ...

Eridium is a premium currency in Borderlands 4 that is especially important for the end-game. But just because you will mostly be using it in the end-game, doesn't mean you won't be actively farming ...