How do you get the evil class

Evil is reputation. You can gain exp from Graveln's(the shadowfall empress)quests. In the first quest, all you have to do is to kill slimes.(!!!! normal green slime is ok. a lot of people think that they have to kill the king-sized purple slime!!!!)The second quest(rattle battle) you have to kill rattle bones in brutul keep. There is another quest for free accounts but it needs rank 4 evil. I forgot the name but it the fourth quest on the quest list. it gives you 600 rep just to kill about 8 skeletons!