prepare the cake mix according to the box, place in cupcake tray bake and let cool as you normally would

frost with cream cheese frosting or any white frosting you prefer

mix the water and sugar in a deep pot and bring to a boil till all sugar dissolves, then continue to stir until it reaches 300° you can check with a candy thermometer, then quickly pour into a greased pan and let cool completely, this will be your glass shards, simply smack the sheet of hard candy to create the glass shards

to make candy blood put the corn syrup in a bowl along with the corn starch then slowly add the water until it reaches your desired consistency, then add the blue and red food color

lastly you take your frosted cupcakes, shove one shard of candy glass in each cake and top with"blood"