Borderlands 3 Walkthroughs
Once the first 2 sections of Killavolt’s healthbar are down he disappear for a bit and release a few enemies. Keep an eye on your minimap in the corner to tell where they are because they will not all appear at once.

Killavolt will likely be back before you’re done dealing with these foes. After firing some attacks he will beam down more electricity and run towards you again.