Silksong can be a tough one as there's a lot of visual noise and you have to learn to avoid his double tornado attack. We fight him relatively early on and are lacking some important useful tools like ...

If you want to find all four Simple Keys and their locks while playing Silksong, you'll have to visit various different biomes of the map.

This guide reveals the location of all 9 Vault Key Fragments in Borderlands 4's three zones - the Fadefields, Terminus Range, and Carcadia Burn.