Fastest speedrun was like not even 10 minutes.
And that was to beat him. Just reaching him and dying to him should go substantially faster:
- get levitation potions/scrolls
- grab Icarian Flight
- have some form of suped speed enhancement (cumulative potions, Boots of Blinding Speed etc.)
- carefully aim north of Ghost Gate and hop
- rush through Dagoth Ur (location) into Facility Chamber
- whack ol’ Three Eyes and have him demolish you
Seeing that deploying airbags hit like a fist to the face and regularly break noses, maybe reframing airbags as airbombs would suffice as a deterrent.