Aristos' Dreaded Alchemy

You choose a creature within range, forcing them to succeed on a constitution saving throw. On a failed save you start ripping the blood from the creature and transfiguring it into the chalice (or spell casting focus); Dealing 4d12 necrotic damage. If this damage causes the target to reach 0 hit points, they are instantly turned into a pile of gold coins equal to their age in years.

At higher Levels: You may cast this spell using a spellslot of 6th level or it gains 1d12 for each spellslot above 5th level used