Years of abuse fueled her anger, yet her rigorous training kept her from losing her composure in a fight.
Next to her, the twins stared towards the approaching woman with more fear than anger.
Unlike most, they had a pretty good life. They were helping Mary as attendants in the Research Facility.
There was some experimental monster that escaped. One thing led to another, and they killed it. Eula and Joan did the killing blow, with a long metal pipe, that they could only lift together.
That's when they got their strange power, which was extremely strong, but only worked if they were physically touching each other.