- Chattel slaves
- Bloodhype (nasty combat drug, very addictive)
- Greenleaf (highly addictive, effects all oxygen breathers, very expensive).
Sometimes forbidden in the Imperium:
- Wholesale guns: gunrunning (selling guns without the proper paperwork) is illegal.
Many parts of Imperial law are written very loosely, to allow the person on hand to interpret it as needed. For example. the Imperial Rules of War allow the ranking officer to decide what is a WMD.