Venombolt

You hurl a glob of virulent energy at a creature you can see within range. Make a ranged spell attack against the target - on a hit, the target takes 3d10 Poison damage. If the target has the Poisoned condition, it takes an additional 2d10 Poison damage.

Using a Higher-Level Spell Slot. When you cast this spell using a spell slot of level 3+, the damage increases by 1d10 per level of spell slot above 2. The additional damage against creatures with the Poisoned condition increases by 1d10 for every two levels of spell slot above 2.