She's strong, tough, brave, very protective, and very aggressive. But, just like many others, she's friendly and kind.

Story:

One day, She was walking with her sister Anastasia (which I already posted). And then an explosion happened. Anastasia lost her right leg and left arm. Anastasia was lucky to suffer minimal injuries, but Karen wasn't so lucky. Karen lost both legs and both arms, and her windpipe was badly damaged. Karen was the first one to get reconstructed. Karen's damaged windpipe was replaced with an artificial cybernetic windpipe, which allowed her to be able to breath, but gave her a bit of a raspy voice. After that incident, their bodies got completely reconstructed, and they were both cyborgs now. The incident had left Karen scarred permanently, which is something she'll never forget.

Also, she's not wearing any clothes, so she pretty much naked