Originally Posted by Tiennu

Try Dofus. The pvp system consists of two factions (angels and devils, called Bontarians and Brakmarians) and you can force a player to fight you and they can do the same to you in an action called aggression. People can join your side or their side, meaning you can gang or get ganged. The gameplay is turn-based, and 2D animated. There are some servers called "Heroic" servers that have the "risk it all" type play, if you die, you die permanently and have to make a new character. Max level is 200. So yeah, give it a try if you want.

Here's the site: http://www.dofus.com/en