Dark guild

It seems as though remembering how people mocked you for your easy magic helps to quickly make up your mind to join a dark guild. As part of a guild not under the rules and regulation of the magic council, you could do what you wanted as long as your where not backstabbed by another dark guild member, defeated by bounty hunters, defeat by a normal guild member or captured by the rune knights who are always out for dark mage blood.

Hmm, certainly not an easy life but still, if life was easy you would be on the magic council by now and, oh, what a surprise, you are not. Still, there is a problem you don't know how to join a dark guild. Does one simply walk up to a dark guild's door? If you can find it maybe, but then what? Do you ask if they're taking on new members? No, it could never be that easy could it? Perhaps you need to do something evil like stealing an apple? ..... OK, maybe something a bit more serious. Then maybe someone from the guild would invite you into their guild as a member? Or you could start your own dark guild, the problem is you have next to nothing, no fame, no building, nothing but your own skills. Perhaps you could make it work but it'll be a long and hard road which maybe will be worth it in the end, but who knows?

In the end after some more thinking in your rented room, you decide to...