Each of these rapiers is a counterpart to the other. The blade of one shines with a brilliant white metal while the other is made out of a jet black iron alloy.

You gain a +1 bonus to attack and damage rolls made with these magic weapons.

Yin. When you roll a 20 on your attack roll with this magic weapon, the target takes an additional 1d8 necrotic damage. Additionally, this weapon can be used to cast the darkness spell once per long rest.

Yang. When you roll a 20 on your attack roll with this magic weapon, the target takes an additional 1d8 radiant damage. Additionally, this weapon can be used to cast the daylight spell once per long rest.

Proficiency with a Rapier allows you to add your proficiency bonus to the attack roll for any attack you make with it.

Notes: Damage: Radiant, Damage: Necrotic, Damage, Combat, Finesse, Vex