I don't speak english so i will try say it simply and clearly :D
1. PVP 1vs1:
- random opponents
- entry fee : 100cr
- winner takes 200cr and 1 Krogmo coins
- losser takes - nothing
2. Free-for-all:
- up to 5 players
- respawn
- 1 point for killing players
- -1 point for suicide
- arena : Rome's Colosseum or Big Elevator (with falling monsters and players ;] )
- with/without monsters
- Prize: 1st - 3 Krogmo coins
2nd - 2 Krogmo coins
3rd - 1 Krogmo coin
3. Training with bots (i know that is labor-intensive)
4. Private rooms
I believe SK PVP has more balancing issus, when a T3 LD ends up with Knight and Defender elites all on one team fighting against a team of seasoned LD Vanguards there is a problem.
I would certainly support more PVP choices but only after some sort of team balancing system is put in place.