Homebrew
Runic Strike
0-level (Cantrip) Evocation
Casting Time: 1 bonus action
Range/Area: self
Components: v
Duration: instantaneous
Imbue your weapon with runic energy. The next time you hit a creature with a melee weapon attack this turn, it takes an extra 1d6 cold damage.
At higher levels: Increases by 1d6 at 5th, 11th, and 17th level.
Available for: Death Knight