Ashen Touch

Make a melee spell attack against a creature you can reach. On a hit, the target takes 2d6 necrotic damage. If the target is a creature, it must succeed on a Constitution saving throw or be overtaken by the rotting ash. The cursed target can't regain hit points, and its hit point maximum decreases by 2d6 for every 24 hours that elapse. If the curse reduces the target's hit point maximum to 0, the target dies, and its body turns to dust. The curse lasts until removed by the remove curse spell or other magic of similar ability.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d6 for each slot level above 1st.