This last video he posted he wasn't too bad. He was pretty down to earth in this one. Pretty interesting all the steps they took to do it just a little bit faster than everyone else.

tons and tons of swiftness pots
aspect of the cheetah up all the time

If you look at the "offical first" level 80 his team did it in something like 1/2 the time. They were going to hit 80 around 14 hours in while the lock did it in ~28 hours.