The Same Could Be Said of All Religious Weapons

The Same Could Be Said of All Religious Weapons is a one-star (★) challenge added $$

Challenge requirements
The player must kill 15 Feral Ghouls with Maria, Gehenna, or the Holy Frag Grenades.

Feral ghouls

 * Around the Old Nuclear Test Site by the Caesar's Legion Safehouse.
 * REPCONN Test Site. The player character will encounter 9-11 various ghouls on the road to the main building itself from Novac and a handful more are located inside the main building.
 * Northeast of Ranger Station Bravo, near The Devil's Throat.
 * There's usually quite a few from the California Sunset Drive-in all the way south to the Nevada Highway Patrol station and all the area west of those locations.
 * In and around the outskirts of Camp Searchlight there are quite a few Ghouls roaming around but trooper Ghouls roaming in the center of the town will not count towards this challenge.
 * Vault 34 Ghouls can be killed to complete this challenge.
 * Train tunnel near Nellis has a few.

Effects
Grants 250 XP.

Behind the scenes
The title of this challenge is a reference to a quote made by Dracula in Castlevania: Symphony of the Night.