I have playlists for all matchups: 'Nasus vs Mordekaiser': ru-vid.com/group/PL9qPBOtHvrkIM6bvsCFLoXCChD8Ugyvqc and 'Nasus vs Tahm Kench': ru-vid.com/group/PL9qPBOtHvrkKV1w7HQvcSkbtrSlWE-X5O
He obviously uses some automated script, as he has channels for almost all champions. Imagine 100+ youtube channels with each one having multiple videos per week.
I have written my own software tools to help me create the videos, for the popups I use a browser overlay in OBS which is connected to a local web server
Idk what anyone else thinks but that third kill was a solo kill, taliyah turned up at the end when he was just about to kill Quinn, he would've gotten the kill no matter what