Ace of Spades

The ace of Spades one and unique a weapon was thrown away from blacksmith's workshop due to accidentally making it apart from another revolver like weapons he made. Not being happy with it he sold it away, being happy after he had gotten rid of it without even knowing what he had created. And so the young man he sold it to painted on it, marked it and named it. The weapon blessed by the divines. The Ace of Spades was born.

Fan The Hammer. On a critical hit, the weapon fires all the remaining bullets uncontrollably against one target within range. Make a separate attack roll for each bullet with a penalty. The penalty equals to your proficiency bonus

Ruthless. After earning a killing blow with this weapon your remaining bullets in the chamber deal extra 1d8 piercing damage and you can use your bonus action to reload after wich this effect ends. This bonus stacks and occurs every time you kill or drop someone unconscious.

Spark. When targeting aberrations, celestials, elementals, fey, fiends, or undead you can make the weapon glow dim light in a 10ft radius around you and the next 6 shots you make against previously mentioned enemies deal extra 2d8 radiant damage on hit. You can use this feature number of times equal to your proficiency bonus. You gain all expended uses at long rest.

This weapon has a range of 60/120, can be fired 6 times before needing to reload and has a misfire score of 3.

It’s up to you to decide whether a character has proficiency with a firearm. Characters in most D&D worlds wouldn’t have such proficiency. During their downtime, characters can use the training rules in the Player’s Handbook to acquire proficiency, assuming that they have enough ammunition to keep the weapons working while mastering their use.

Notes: Bonus: Magic, The number of charges equal to your proficiency bonus, someone with a proficiency in firearms., Damage, Combat, Range, Ammunition (Firearms), Reload, Sap