I think over a course of time Jack went from civil to savage, however I think he was already savage even when he was civil, because he was showing it throughout, some examples are like when he was questioning Ralph's authority at almost each assembly or when he wants to go hunting all the time. At the beginning hunting for him, at the beginning, was for survival and food for the group, but as the story progressed he more and more wanted to go hunting simply because he wanted to kill. Some other examples of his savagery is his envy towards Ralph for being leader. Jack would always interrupt, even when he did not have the conch, just to in my opinion, get a word in on how he felt, whether it was relevant to him or not. Jack is also extremely
