Concerto for Soprano, Alto, Tenor, Bass, & Piano #1 Op.9
Anthem
One of the ten blades that sing in harmony with the World Hymn.
You gain a +2 bonus to attack and damage rolls made with this magic weapon. In addition, while you are attuned to this weapon, it has the following additional properties.
Dancing Strikes. This weapon gains the Finesse property.
Humming Edge. Damage done by attacks made with this weapon is also considered thunder damage for the purpose of resistance, immunity, & weakness.
Echo Blades. As an action, using this weapon, manifest up to two echoes of this weapon in an unoccupied space you can see within 30 feet of you. The echo is a magical, translucent, gray image of this weapon that lasts until you dismiss it as a bonus action, or until you’re incapacitated. If you try to create a more echoes, the previous are destroyed. If your echo is ever more than 30 feet from you at the end of your turn, it is destroyed.
On your turn, you can mentally command the echoes to make a melee spell attack(+6 to hit) against a creature within 5 feet of the weapon.(no action required). On a hit, the target takes thunder damage equal to 1d6 + 2. And, as a bonus action, you can move both up to 15 feet. Additionally, once per round the echo can make an attack of opportunity as a reaction.
You can use this feature a number of times equal to your Proficiency Bonus. You regain all expended uses when you finish a long rest.
Proficiency with a Longsword 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.
Sap. If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn.
Notes: Bonus: Magic, Damage: Thunder, Weapon Property: Finesse, by a Creature with the Bard class or Bladesinger sub-class, Damage, Combat, Versatile, Sap