Billie immediately collapses in tears while the sisters feel her pain .
When Billie begs Christy to come back to the good side , Christy is enraged and launches a fireball at her sister which Billie deflects with telekinesis , vaporizing Christy .
Billie immediately collapses in tears while the sisters feel Billie 's pain .
When Billie begs Christy to come back to the good side , Christy is enraged and launches a fireball at her sister which Billie deflects with telekinesis , vaporizing Christy .