The Cleansing Flame's blue flame effect will not appear when the weapon is used, all that will appear is a tiny transparent flame cone at the nozzle. Sometimes exiting to third person you can see the blue flame, but upon reentering first person the blue flames will disappear again.[已核实]
Sometimes, if Gloria Van Graff is dead, Cleansing Flame will not be purchasable from Vendortron.[已核实]
Use this fix in the console: startquest xx00093c, then resetquest xx00093c. This could also be done in reverse order.