For context, we had 'barely' gotten the PBE build to an acceptable state in time, and were furiously bug fixing in the background (EG: You can still hear a terrible audio clipping bug from the triple Victor laser doom). Unfortunately due to time constraints, we had to film this on actual PBE, which at the time was unstable due to an unrelated issue. We had initially wanted to film this on a stable internal dev environment, but due to the location, that wasn't possible. I remember when we filmed this (it was the first mode I ever made on League of Legends!).