Chocolate Fondant Cake

As I continue to practice cake decorating I decided to make a cake for my recently married sister and new brother-in-law who was coming for a visit. Their request was chocolate, chocolate, chocolate.. So I tried making a chocolate marshmallow fondant and boy was it a tough one! Let's just say adding cocoa powder and melted chocolate chips to a fondant recipe and trying to get it to not crack was beyond challenging. I did my best at hiding the flaws and cracks and this is what I got: