On their way there sinensis told ender purl that she smells human blood then ender purl remember that she got cut on her arm by the fish she told sinensis that she was fine and that they should hurry and get to the castle once they got there they scouted again just in case there was something they missed before she changed. Then she had seen small ships ate the small castle per very slowly they walked toward the Bote when she herd one of the dragons sniffing. That is when she remembered the cut if sinensis could smell it so can they!