Thunderous Smite

Cast Time: 1 Bonus Action | Concentration
Mats: V | Range: Self | Duration: 1 Minute
The first time you hit with a melee attack during
this spell's duration, your weapon rings with
thunder that is audible within 300 feet of you,
and the attack deals an extra 2d6 thunder damage
to the target. Additionally, if the target is a
creature, it must succeed on a Strength saving
throw or be pushed 10 feet away from you and
knocked prone.