GM 79 Grenade Launcher Location: Waterwheel Weapon Treasure
- It can be collected after coming back from House Beneviento, while heading to Moreau’s area.
- From the Altar, head in the south direction and use the Four-Winged Unborn Key to unlock the gate.
- Go down the stairs, you will find a small waterwheel house on the left
- Cross the shallow stream to reach the gate. Use the Iron Insignia Key to unlock the waterwheel house.
- Inside, take the GM 79 grenade launcher.