As John jumped down and told her to lay Serena on her side, Kay did exactly as she was told whilst brushing the woman's hair out of the way of the bite mark on the back of her neck. She remained by Serena's side but made sure to keep out of John's way so he could actually do what was needed. At the order pretty much shouted at him, Chas quickly hurried to where John kept everything and grabbed what he could that he recognised as being used for purification purposes. He ran downstairs with it all and gave it to John as John explained what they needed to do to Kay to which she nodded. "I'll help in any way I can" she replied to him before turning to Serena, "its gonna be okay, John can help you'll see" she told her trying to give her as much of an reassuring smile as she possibly could. "tell us what we need to do John" Chas requested from him, also wanting to help. Seeing the young woman on the floor expressing how much it was hurting did get to him emotionally. He never wanted anyone to hurt, not in this way and it was clear that Serena was in incredible amounts of pain to him, yet he also had a lot of faith in John and his abilities.