Proton Axe

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

Characteristics
The sonic baton resembles a futuristic war-axe with a glowing blue blade of electrical energy at its head, on the other side it has two capacitors which also share the same blue electric current. Upon striking an enemy it electrocutes them and enemies are turned into a blue ash pile when killed with a critical hit; commonly found with energy weapons of all types.

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 by Vault-Tec.