I've heard tell of people "Farming HoH" and getting lots of money in PvP. Can someone explain this process to me? Do you lose your items when you die in a PvP match or something?
If you can win HoH regularly, you can get Sigils + (as far as I know) high-quality items at the end. These can sell for nice sums - which I guess could be called farming. But that said, if you can regularly win HoH, you don't need to farm.
Yes, when you win a match in the Hall of Heroes, a chest opens up and drops 3 sigils and some top-end rare items. You can get very nice stuff from there, but repeatedly winning the Hall of Heroes is quite difficult and not really an efficient way of farming.
