[2022] (SPOILER) Boss bugs out when our DPS was insanely good, now we just wait to die... we had 6 mins left.. we couldve won.. please fix this bug...

Thanks for the report. It's useful to have as much information as possible. Can you provide any extra insight into the series of events that led to this?

While we do read reddit, I'd encourage you to post this issue and any other relevant information to our bug report forums so it can be officially tracked:
https://en-forum.guildwars2.com/forum/9-bugs-game-forum-website/