Guild Wars 2

There is a DE that keeps spawning waves of mobs and players farm them but the event never ends.
I’ve gone away from there because that might be considered exploiting but still wanted to make sure it was posted.

If you need specifics (Anet, not players) shoot me a PM or mail.
I filed a /bug but it will probably be too late when you see it.

Only because I’ve ran into what I thought was something like this:

Are you sure it wasn’t just a DE whose condition wasn’t being met, either because players didn’t do it or of a bug?

Most recent example I ran into is Save Parnna from the guardian golems in Metrica. You kill 6 oozes and then kill the boss that spawns, in a room of NPC Asura scientists whose task is to fill container. If they’re dead, they can’t fill containers. So if you kill oozes and then the boss and then oozes again, you’re not achieving it and it feels like an endless loop. Good for XP maybe But it’s really just because the actual objective is not being met.