How hot is The End: Purgatory compared to other sauces?

So I recently went to Pepper Palace on a trip and ended up trying six drops of Purgatory out of curiosity. Long story short, it was awful and the worst thing I've tried. Out of pure curiosity, I decided to do some research on what the spicest hot sauces were. Specifically, i wanted to see how Purgatory measured up to some of these other really bad ones like Da Bomb or Hellfire: Doomed. I read that Purgatory clocks out at around 8 million Scoville, but when I did some research I couldn't find anything comparing it to any other sauces despite it being higher than some of the supposedly highest ones like Doomed. In y'alls more experienced opinions, how would yall compare Purgatory to other sauces, and what sauces exceed it?