Accursed Act

1st-level enchantment
Casting time: 1 action
Range: 60 feet
Target: One creature you can see within range
Components: V, S, M (icense or a black candle)
Duration: Concentration, up to 1 minute
Classes:
Subclasses:

Lighting a candle, you speak dark curses in a lost tongue, directed at one creature you can see within range. That creature must make a Wisdom saving throw or be cursed for the duration. While cursed, the creature takes psychic damage once per turn equal to 1d8 + your spellcasting ability modifier whenever it attacks or casts a spell. If the target doesn’t attack or cast a spell on its turn, it can repeat their saving throw at the end of their turn, ending the effect on a success.

A remove curse spell ends this curse early.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, you deal an additional