Quote Originally Posted by BlisteringFrost View Post
They have an actual etiquette guide sitting around somewhere. And it specifically outlines Tanks job is to dictate the pace of the dungeon.

So a DPS running ahead of the Tank is verifiably breaking the TOS.
I think it's the least courtesy you can show in a dungeon. Be mindful of other players and that you are not the only one there. Everyone should do their respective jobs/ roles to the best of their ability.