Petra Ral was one of the soldiers Levi hand-picked for the Special Operations Squad in charge of protecting Eren Jaeger. She was highly skilled, reportedly slaying 58 titans in total, 48 in team, and 10 in solo, one of the highest number of kills in the series so far. Unfortunately, she was killed during the 57th expedition by a rare Female Titan.
She is one of the characters that I really loved in the series. I’m very sad that she passed away, but at least she no longer has to suffer in the hands of her world. Thanks to Walter for sending this in!