That's a matter of opinion. Keep in mind that there are several types of Pking on Runescape. No one can be best at them all.
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It depends really you may wears something like rune on pvp or bounty hunter but that's usually for non mems
Warriors I would think.
on the pvp/bounty worlds
yes
There are no banks in PvP zones but there is a safe of keeping 3 items UNLESS you are skulled.
Scamming, pvp, pvm, dueling, & merching.
Go on a pvp world.
Take a look on the world selection.
While on RuneScape PVP worlds, if you die, you only lose the items you are carrying, not those in your bank, never in RuneScape will a death directly affect your banked items.
I think it is where yo can battle against a player.
your asking a impossible question because you can't
kill people in pvp worlds they will have a lot of things
i found clanwarse is very funny or pvp