Enervation ray

You shoot out a light blue, black, and green ray that drains a nearby creature of their energy. make a ranged spell attack. On a hit, You have 5d12 that you can split between cold, necrotic, and poison damage.

For each dice you commit to poison damage, the creature's constitution score is reduced by 1d4. A creature dies if this exceeds their constitution score by 3. otherwise, their constitution score is reduced to 1. the creature is poisoned for a number of rounds equal to the number of dice you commit to poison damage.

For each dice you commit to cold damage, the creature's speed decreases by 5 feet and their dexterity score is reduced by 2, to a minimum of 3.

For each dice you commit to necrotic damage, the creature's hit point maximum is reduced by 1d4 and their strength score is reduced by 4, to a minimum of 3.

Any score or maximum hit point reductions last until a creature finishes a long or short rest.

AT HIGHER LEVELS:

for each slot level above 4, you gain 1 additional d12 for damage.