Blade of the Black Sovereign

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 2 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.