All the energy he seemed to have gained dissipated and he reverted to his old fragile and sick self. He falls to the ground and reveals his sin alongside Hester and Pearl. Although Chillingworth attempts to hinder his plan, Chillingworth ultimately fails and loses his battle. Hawthorne's purpose in this paragraph might be interpreted differently to other people, but I believe he was once again sharing his ideas about sin. After Dimmesdale revealed his sin to the community, a weight was lifted off his shoulders, and that is why Hawthorne ended the book this way. While not the best option for all parties, it is very rewarding for Dimmesdale, who could never live with the weight of hypocrisy and sin on his back..