Nightbringer

The blade of this greatsword is constructed of obsidian. All light is faded to dim light within 60 feet of the blade. The great sword functions with a +1 to hit and adds 1d6 necrotic damage upon a successful hit.
AWAKENED When a character awakens Nightbringer, apply the following changes to the item's traits:
Increase the bonus to attack and damage rolls to +2 In addition, targets damaged with this weapon take an additional 2d6 points of necrotic damage. The character now gains Devil's sight.