The acids had a queer effect on the water of the valley. It turned bright yellow and glowed violet at night and fish, birds and trees in the valley died. Protests were silenced when he showed that he had made quite a lot of money from it all. Then he lost all interest in making money and turned his interest to medicine. He vivisected a large number of subjects (including those who protested) and gathered like-minded people around him. He dubbed them his Monks of Mirth, and they helped him gather subjects. After a while, he fell ill and died, raving that he would return from the grave to finish the destruction of the valley.