Kayla was completely physically unharmed, but now she could see what she'd done and all strength disappeared from her legs and she sank to the ground, unable to do anything except half-sit, half-lie there.

As physically tough as she was, she was in psychological shock. Her thoughts weren't at all coherent, just a mess of horror, guilt and self-hatred. One that would be positively toxic for anyone in the area with telepathic or empathic traits.