Sergeant Ash

Sergeant Ash is a unique weapon featured in the Fallout 4 add-on Far Harbor.

Characteristics
Sergeant Ash is a unique flamer that has the Kneecapper legendary effect, which has a 20% chance of crippling the target's legs.

Location
Sold by Dejen in Acadia.

Behind the scenes
The name of the weapon could be a possible reference to the British Robot Wars house robot Sergeant Bash which had a flamethrower as one of his weapons.