How to kill Agonizer 9000 in 5 seconds with FL4K mayhem 3 any modifiers

Might be a bit late since boss event will be over soon but better later than never, here is my personal video NON monetized https://www.youtube.com/watch?v=AaiHcQ_huco&t=60s

The Cutsman is very strong against anything. I have all 4 VH and can confirm they all kill just as fast with it. Nice vid showing its strength!