Iron may cause your stools to turn black, an effect that is not harmful. If your doctor has prescribed this drug, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
In the Reeking Cave, visited during the quest Diplomatic Immunity, there is a Dark Elf corpse. In Darkshade, southwest of Windhelm, the body of a dead female Dark Elf can be found at the back of the cave near the bottom of the ramp that leads to a chest. A permanent corpse of a Dark Elf can be found at Evergreen Grove. At The Ritual Stone there is normally a Dark Elf Necromancer who can be killed and then have her blood harvested. Drelas Cottage, on the opposite side of the mountain to Morthal, contains a hostile Dark Elf mage named Drelas.
Dark Sonic. Dark Sonic was a villain in the series, being a recurring antagonist in Fire and Ice (acting as one of the main antagonists during the Dark Prophecy arc). Created by the small amount of The Darkness of Evil's energy left within Sonic, he is a parasite who eventually became a manifestation of Sonic's negative emotions. During the Dark Prophecy arc, he was killed by Mario and Luigi in order to release Sonic from his control.