Crashing Fang (Patreon)

Weapon (shortsword), varies (requires attunement)

A sacred blade charged with divine lightning that carries the authority of the Heavenly Dragon within itself; mighty and unstoppable. When this magic item absorbs energy from a dragon’s hoard or its wielder achieves great deeds, it increases in rarity and gains new properties in addition to those of its previous rarities.

Uncommon. When you make a melee attack with this weapon you can use your choice of Strength or Charisma for the attack roll and damage rolls. You must use the same modifier for both rolls. 

Rare. You gain a +1 bonus to attack and damage rolls made using the weapon. On a hit, this weapon deals an additional 1d6 lightning damage.  

As a bonus action while holding this weapon, you can channel the energy of the Heavenly Dragon into your enemies. For 1 minute, this weapon deals an additional 1d6 lightning damage on a hit equal to the number of times the target has been hit with this weapon this turn (ex. if a creature is hit twice in a turn with this weapon, it takes an additional 1d6 lightning damage on the first hit, and 2d6 on the second). You can use this property a number of times up to your Charisma modifier before finishing a long rest. 

Very Rare. The bonus to attack and damage rolls increases to +2.

While holding this weapon, you can cast the Haste spell targeting yourself. Once you use this property it can't be used again until you finish a short or long rest. 

Legendary. The bonus to attack and damage rolls increases to +3.

When you take the Attack action on your turn, you can make an additional attack this turn as part of that attack action as long as all of your attacks are made with this weapon. 

Lightning. The ultimate force, one only wielded by those truly conscious of the mighty responsibility that comes with command of this terrible power. With an unmatched capability of pure, unadulterated destructive energy, this warrior has truly proved themselves in the eyes of the Heavenly Dragon. Foolish are those that stand before you, for you bring deliverance.