This is Dhuum, he doesn’t like cheaters, hackers, botters, and exploiters. If you cheat, hack, bot, or exploit bugs, Dhuum will find you, and Dhuum will murder you in cold blood. As the God of death, when Dhuum takes your soul, there is no coming back, you are banished from the world of Guild Wars forever.
ArenaNet has announced that they have banned over 3,700 accounts, not to mention disbanding over a dozen guilds, with more on the way. Not only are players being banned, but they are being smitten in-game by the God of Death. See the video.
This isn’t the first NCsoft title to have flashy public executions of botters. Aion is well known to have GM’s personally firebomb chat spammers out of existence.
More on Guild Wars as it appears.
MMO Fallout 
kind of cool. might motivate people to get intentionally banned though.