Desecrated Grounds

While doing a melee attack, melee hit cast Desecrated Ground in a 15ft radius area around the Death Knight. While standing in the desecrated area the Death Knight recovers 1d4 HP per round any other creatures standing in the desecrated area take 1d8 Necrotic damage and an additional 1d6 Disease damage plus weapon damage while standing in the desecrated area.

 This spell increases by 1dice each at 5th lvl, 2 dice each at 10th lvl,  3 dice each at 15th lvl, 4 dice each at 20th lvl