Cursed Mind Sliver

With a scream, you empty your head from the loud noises sliver the the mind of one creature you can see within range with these voices. The target must succeed on an Intelligence saving throw or take 1d8 Psychic damage and subtract 1d4 from the next saving throw it makes before the end of your next turn. You also take 1d4 Psychic damage in the process of releasing the voices. Casting this cantrip, reduces your stack of exploding voices by 1.

Cantrip Upgrade. The damage increases by 1d8 when you reach levels 5 (2d8), 11 (3d8), and 17 (4d8). The damage you take increases as well when you reach levels 5 (1d6), 11 (1d8) and 17 (1d10)