I would love to see a building somewhere on the map, a big building which is like all the other pk designated buildings, but with a lobby, and 2-3 rooms which will say how many people are in each room.

Upon entering a room, the first 10 steps, in a square is safe. After leaving this area, you are free to pk and be pked. You may not leave until you die.

Here's the catch. Per death, you lose a decided amount from 10-100, and the killer is awarded with it.