Arcane Sword is a 7th-level Evocation spell for Bard, Wizard. Casting time: 1 action. Range: 60 feet. Duration: Up to 1 minute. It deals 3d10 Force damage at its base level.
You create a sword-shaped plane of force that hovers within range. It lasts for the duration.
When the sword appears, you make a melee spell attack against a target of your choice within 5 feet of the sword. On a hit, the target takes 3d10 force damage. Until the spell ends, you can use a bonus action on each of your turns to move the sword up to 20 feet to a spot you can see and repeat this attack against the same target or a different one.