I don't know why I never thought of this before but if you were a necromancer it makes sense to use a zombie or similar undead creature to collect toxins.
My next D&D character is going to be a wizard of leasure, waited on hand and foot by a squad of service-skeletons.
In light of the information I have gleaned from the relevant wikipedia page, I will continue to honor my so-far unbroken promise to myself to stay the FUCK out of Africa.