Firstly you need someone in your group near you. Secondly you must have bandages. Third you have to be one of the classes i mentioned in the topic.
How to: Rogue
1: You shoot a mob to get aggro
2: You bandage the target you want
3: You cast vanish
4: Target is dead
How to: Mage
1: Wand a mob you want to aggro.
2: QUICKLY, bandage the target.
3: Cast invisibility and run the other way and hop you dont get hit.
4: /lol on the body.
Any questions PM me.