I've been farming in several location and found out that there are some ingame cowards that has been strolling around killing newbies for no reason. The saddest thing from this fact is that they are very scared to fight someone within their league and choose to kill newbies to gain self-pride.
Here are some of the screenshots i've taken:
The in-game name of those cowards:
Feel free to add more cowards (and the screenshot of proof) in this thread! Happy Gaming!