half the fun of PK is the suprise factor, in my opinion (ofcourse..
the validity of my opinion is subject to debate, since I've never pk'd) or maybe PK-OK can have 4 options: none some all duel
duel being ask first and some being selective-all I think a fitting xp cost for un-oking somone should be the cost of a death. This would keep people from un'oking multiple people at one time and allow for it to be graduated per level to allow for those of us who are rather slow levelers. Ofcourse..if we are un-oking somone who just mult'd us...
it's another multi :)
-Just a thought on a subject I know next to nothing about...