There's 72 demons in Hell!Diocletianus built a rational and very functional system, he probably reduced the number of men in his new Legions, but not so much like in the Constantine model, and Diocletianus even restored the number of men of the old legions on the Limina, his work restored the Roman Empire for the last time.
https://en.wikipedia.org/wiki/List_o...the_Ars_Goetia
Would tricky Dio have settled for less?
Later on in the ND there is over 200!