Kyouko-Sakura "There's an easier way to make a guy you fell in love with yours, use that magic you worked so hard for. Rush in there right now and break his hands and legs so he'll never be able to use them again. Make him totally helpless without you. Then he'll be yours... body and soul." - Kyoko, Episode 6.
Kyouko's magic is called "enchantment". Color Theme: Red. Soul Gem shape: Oval. Combined with her gold chest ring, it resembles an Eye, a symbol connected to her that appears several times. This may reference her "enchantment" theme. Element: Fire.