Board Thread:What If?/@comment-5674726-20141004175104/@comment-37001937-20181105174147

Merlin poisoned Morgana because she was in league with Morgause to take over Camelot. She was also the source of the magic that left the kingdom defenseless. She never told Uther of her magic, and assumed that he would hurt her or kill her. Uther had a hypocritical relationship with magic anyway. This is another of those stories that was never explored further and instead she just decided that she wanted him dead, and that the throne was rightfully hers. Regardless of her issues and mistrust of Uther, the betrayed her friends first. Arthur and Gwen did nothing but love and protect her, and she only returned sorrow and pain to them because they sat on the throne.