Fuses in Dead Island 2 can sometimes be tricky to find at first, and with so many Fuse Boxes spread throughout beautiful Hell-A, many completionists will want to locate and open them all. However, once you know where to find Fuses in Dead Island 2, it's a case of searching each world map area for Fuse Boxes to actually use them on and open up secret locations leading to weapon rewards inside Zomproof Slayer Horde boxes, which can include both Rare and Superior weapons (but not Legendary, of course).