Elsa injured herself while practicing her frozen spells and now she needs brain surgery. Be her doctor and find out what's inside Elsa's head. First, you will have to diagnose the problem. It seems like Elsa's heart rate is normal, but she has a fever. Scan her head and see if she's injured. Looks like she needs surgery. Shave her head and put her to sleep so you can start the operation. You will have to cut her scalp and gently remove the ice. Get rid of the germs and disinfect her scars. Now you can sew the cut.