He gave into his predator instincts and ate his close friend Tem. Riz was suffering from bad side effects caused by government mandated medication for bears. he believed that he didn't need them anymore and stopped taking them, Unable to cope with the guilt of killing his best friend, Riz develops a twisted perception of reality where Tem not only consented to being eaten, as a "celebration of life". Riz's brutality is increased as the story progresses, with him willing to kill and intimidate