Blade of the Black SoverignWeapon 15
Source Pathfinder Lost Omens: Legends
Damage 1d12 Slashing
Type Martial
Price 6,500 gp
Weight 2 bulk
This +2 greater striking Shock greatsword is forged from standard-grade adamantine, with inlays of broken circuitry and a robot's ocular lens on the cross guard. A soft thrum comes from the blade, which you feel as a subtle pulse through the grip when wielding it. It sparks when unsheathed, emitting dim light within 5 feet.
On a hit against a foe made of metal, wearing metal armor, or using a metal shield, if the foe takes electricity damage from the blade, the makes the foe flat-footed for 1 round; if the Strike was a critical hit, it also makes them clumsy 1 for 1 round.
Activate 
command, Interact
Effect You cast the Electric Arc cantrip from the sword as an 8th-level primal spell, using 10 + your melee attack modifier with the Blade of the Black Sovereign as your spell DC.
Traits
A rules element with this trait is one-of-a-kind. The DC of Recall Knowledge checks related to creatures with this trait is increased by 10.
ElectricityEffects with this trait deal electricity damage. A creature with this trait has a magical connection to electricity.
EvocationEffects and magic items with this trait are associated with the evocation school of magic, typically involving energy and elemental forces.
MagicalSomething with the magical trait is imbued with magical energies not tied to a specific tradition of magic. A magical item radiates a magic aura infused with its dominant school of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.
VersatileA versatile weapon can be used to deal a different type of damage than that listed in the Damage entry. This trait indicates the alternate damage type. For instance, a piercing weapon that is versatile S can be used to deal piercing or slashing damage. You choose the damage type each time you make an attack.