@#1. if you try to hostile people; your portal you made disapears, there is also about 15 second timer on the wp, so your stuck in town while they have a chance to escape. i hate that, easier to get away with scamming forges :angry
@#2. because there is nothing better than a bunch of drunk nerds playing diablo together...
im pretty sure all actual good ideas are posted already, since there are 13 pages of these suggests...
be a trap asn and make a game about free enigma; then have a friend say that its in the den; first there gets it, so they all hostile each otehr (well at least the trap asn does) they run into the den, and are found with super lightning traps for instant deaths; pick up their gold, laugh, do whatever