Forged from the bones of an ancient dragon and imbued with it's power, this blade is a pale blue and arcs with static electricity.
+2 to attack and damage rolls
You can use a bonus action to speak this magic sword's command word, causing lightning to arc from the blade. These arcs shed bright light in a 40-foot radius and dim light for an additional 40 feet. While the sword is acing, it deals an extra 6d6 lightning damage to any target it hits. The flames last until you use a bonus action to speak the command word again or until you drop or sheathe the sword.
Once per day you can harness the full power of the draconus fundamentum to unleash a devastating blow. By taking the attack action or a part of a multiattack action, you can expend this swords power to deal 10d12 additional lightning damage. This recharges after a long rest.
Proficiency with a Greatsword allows you to add your proficiency bonus to the attack roll for any attack you make with it.
This weapon has the following mastery property. To use this property, you must have a feature that lets you use it.
Graze. If your attack roll with this weapon misses a creature, you can deal damage to that creature equal to the ability modifier you used to make the attack roll. This damage is the same type dealt by the weapon, and the damage can be increased only by increasing the ability modifier.
Notes: Damage: Lightning, Bonus: Melee Attacks, Damage, Combat, Heavy, Two-Handed, Graze