Step 1: 1) Blend the milk, chocolate ice-cream, Oreo cookies (without the cream centre) and dark chocolate together. You can add ice, if you want.
Step 2: 2) Pour the blend into a glass/mug.
Step 3: 3) Spray the whipped cream on the blend, and pour the chocolate sauce and caramel on it.
Step 4: 4) Break the Oreo cookies into small pieces and top them on the whipped cream.