Gazelle is thoroughly known for her deadly sword like legs. And a frequently asked question is to why she has these deadly weapons attached to her.
When Ruby Gazelle was young, she was a high classed ballerina. One of the best in her group. On the day of the state champions, her partners which was her sister died of a heart attack. In frustration she stormed off. Peers and parents went searching for her as she was main event and the concert started in 5 minutes.
Gazelle made it to the "abandoned" train tracks near by and screamed in frustration. She walked along the tracks to calm her anger and her legs got caught in the ground. And the horn of an oncoming train sounded and there was no way of gazelle escaping.
Her legs were amputated with metal sword like limbs and still filled with frustration, she killed everyone that brought the event up. She now is one of the deadliest sidekicks in the world.