She flexed her hands to keep the blood flow good, and presses down slightly, so that he cant fight back, or that it is difficult to fight back - given how weak he is. 

The fang quickly gets out of their way, and motions in banes direction, looking concerned. "He is right over there, I do not think his state is normal, even for how low he is on blood."

After some talking, Chi moves again, stretching upwards and then begns to crawl and ooze over the edge of the tank towards her. The water is much clearer now.