What's the biggest and most jacked a human being could physically get?

Like what's the limit assuming tech usage? I wonder if 7'8 500 lean could be humanly possible with a Rich Pianoman level OJ cycle and optimum genetics.
“Steroids is now just a word that the lazy and ignorant use to describe any guy that has more muscle and dedication than them”– Mike O'Hearn


"I am like getting the feeling of cumming in the gym; I'm getting the feeling of cumming at home; I'm getting the feeling of cumming backstage; when I pump up, when I pose out in front of 5000 people I get the same feeling, so I am cumming day and night. It's terrific, right? So you know, I am in heaven."