Going a bit unnoticed so I thought I'd share this:
Logs be like: https://dps.report/M9uS-20171126-013750_vg
Clear time: 1 hour 2 mins
I couldn't even begin to imagine not making any mistakes as tank for over 15 minutes let alone 1 hour.
EDIT: might as well link the reddit post for some more details, did I say 1 hour? I ment 15 hours of practice etc. https://www.reddit.com/r/Guildwars2/comments/7flzgr/qt_duo_vale_guardian/