Needless to say, it was my doing in order to help Selia understand Human behavior beforehand. I, who thought of this scheme, should be ranked among the top most incredibly talented schemers ever in existence. At first, what I did was I made the people guess what was going on, then gradually made them aware of the existence of Selia, who is a Lamia, being active around the area. And so, to do that, I kill the animals, and make it look unusual like with the crocodile with large fangs and the blue pearl in its mouth among other things to stir up suspicions.