He left a pyramid at what is present-day Herat, Iran which numbered about 70k. I think they left him alone for a long time after that. Correct me if I’m wrong.
I think it’s Tamerlane noted for mountains of skulls. Same deal though.
I predict that the EPA will one day be in charge of killing camps, authorized by their mission to decrease the emission of CO2 (human exhalation) as a greenhouse gas.