Flametongue Morningstar

(Requires atunment) Mace
Using a bonus action, the wielder of this weapon can utter the words of power and activate the flames within. For the next 4 hits this weapon causes an extra 1d6 fire damage. After the last strike the flame die out. this weapon cannot be used this way again until finishing a long rest. When the flames are up the emit a bright light for up to 10 feet out and dim light for 10 feet after that. Using the command word again will cause the flames to extinguish.