Super Kate

Kate Gillius aka Super Kate is the superheroine who is undefeated. She falls in love with King.

Powers
Similar to Superman/Supergirl/Power Girl

Ending
Super Kate defeated Inferno and destroys Soul Edge with her Soul Calibur. King approaches and says to her "Thank You". She picks up King and flies him over Honmaru. CJ and Susan Hurley waved to Super Kate when she is in flight with King in her arms.

Text:Super Kate defeated Soul Edge and she flew King to see where their future takes them.