The Resident Evil 4 Remake wrench is a key item you'll need to locate when trying to escape the regenerator-infested hellhole that is the island's laboratory. The wrench is used to unlock a machine that lets you upgrade your keycard's access, letting you open the doors that are sealing you in so you can reach Ashley.
To get to this point, you'll have already fought some regenerators in the Resident Evil 4 Remake, so you know what an absolute pain they are to kill. On the plus side, part of finding this wrench will make killing any future regenerators a piece of cake. Here I'll explain how to find the wrench in Resident Evil 4 Remake so you can keep on pushing through the island's many trials and hazards.
