The Axe of Stars was created by The Magnificent Stellari to be wielded by her bride, Luna, to defend to City of Stars from invaders until The Magnificent Stellari could place it in a demiplane.
The Axe of Stars' handle is a dark wood with silver bands along it leading up to the head, the head of the axe is black with shimmering white spots that change over time, as if it were a sky of stars.
Proficiency with a Greataxe 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.
Cleave. If you hit a creature with a melee attack roll using this weapon, you can make a melee attack roll with the weapon against a second creature within 5 feet of the first that is also within your reach. On a hit, the second creature takes the weapon’s damage, but don’t add your ability modifier to that damage unless that modifier is negative. You can make this extra attack only once per turn.
Notes: Damage: Radiant, an individual who has used the axe to slay a creature of at least CR 15 or a direct discendent of Stellari and Luna, Heavy, Two-Handed, Cleave