(They're easy to spot on your map-diamond-shaped treasure icons labeled 'Wayshrine'-so don't worry about having to find them again later.) The key is found near the beginning of chapter 4. You'll come across Wayshrines that you need the Old Wayshrine Key to open long before you're able to acquire the key item. This guide reveals where to find the Old Wayshrine Key so you can find more baubles to hawk to Resident Evil 4's merchant. Capcom's Resident Evil 4 remake stashes some of the Village region's best (read: most lucrative) treasures inside locked cabinets and wardrobes, and occasionally in treasure chests that require a specific key to open.