7 Months Ago, zybez.net says (in Reasons Behind The Pvp Changes) As you are probably aware, we have recently made some rather drastic changes to what players risk on PvP Worlds. In case you are one of the people who don’t know, here is what we changed:
On PvP Worlds, you will always be skulled and cannot use the Protect Item prayer.

17 Months Ago, Runescape says (in Pvp Worlds) PvP worlds have arrived! Are you ready to pit your combat skills against other players in the halls of the White Knights’ Castle? Are you prepared to fight to the death in the fields of Lumbridge? Well, now is your chance.

Mod Benny
RuneScape Content Developer