Well, when you go to the War map it will display your iPWR on the top. Sometimes, but very frequently it will tell you someone else's iPWR. Not sure if this happens in the tavern with friends, but it does happen in town.
Mystic's Dark torment says the following "The mystic hurls a dagger that impales her target dealing damage over time. Nearby sand vipers focus on that target. If the target dies, a defense appears and attacks enemies."
1. Now after some testing i noticed sand ...
https://www.youtube.com/watch?v=BBU4Z5oXfGw , can get out of bounds while playing monk, with the storm staff, also, can do this with EV2's Death from Above from the fire cart.
The Harbinger chest, when opened, looks like it drops gold like other chests. But when you pick it up you don't get told how much, and it doesn't increase your gold count in inventory.