Malignant lesions of the skin are common. Patients who develop squamous cell carcinoma and malignant melanoma often have recognizable precursor conditions. A few skin lesions resemble malignancies. Lesions that are growing, spreading or pigmented, or those that occur on exposed areas of skin are of particular concern.
Powers and skills. Dark Sonic is a dark super transformation achieved by Sonic the Hedgehog in the anime series Sonic X. The multitude of fake Chaos Emeralds and Sonic's intense anger allowed him to achieve this transformation.
In Sonic Generations, Shadow is a non-playable character and a rival boss to Sonic in the game. He challenges Modern Sonic to a battle for a Chaos Emerald. This battle takes place in a location originally from Sonic Adventure 2, the Space Colony Ark.