Proton Axe

The sonic baton is a weapon in Fallout: New Vegas add-on Old World Blues.

Characteristics
It's a grey metal stick that look a futurist axe with a blue, energetics eletric metal blade and two lamps at the top of the handle. It can shock enemies when hit by the weapon, and enemies may occasionally turn into a blue ash pile when killed.

Locations

 * Big Empty

Behind the scenes

 * The technology used by this weapon appears to be similar to the electric weapons created in the Secret Vault.