Sledgehammer

The Sledgehammer is a melee tool found in several late-game industrial and mining areas, usually tucked away near equipment or inside containers. It appears in the mines area close to a truck, in The Train inside a train car with a power socket, and in the Synchrotron area both near the exit to the Manufacturing Sector and inside a container.

Because it is placed in multiple discoverable spots rather than tied to a single fixed encounter, it is worth checking surrounding vehicles, cargo, and storage containers whenever you pass through these sections.