The Doctor would have to document this after getting Ash to rest for this was something he didn't fully understand. Wondering if her two friends may know what she was talking about. "I could send help. But you need rest. Do not push yourself like this." He urged. He grabbed a cup then and gently put it to her lips. Hopefully by drinking it, would help her ease into sleep. 

The young warrior looked up to look at Scarlet. Giving her a confused look. "Guardian sisters? No...I don't think I've heard of them. Why?" He asked, curious where she was going with this.