The nine students plotted, planned, and got to business.
Running an underground Mafia would be hard. There were people to be bribed. Supplies to collect and fools to be tricked.
The nine needed to get dealers, potion makers, enforcers, clients, suppliers the whole works.
And the nine needed to do so under the eyes of the best professors in Magical Great Britain and not get caught.
No one ever said good things came easy.