Cacklespit part 2 in Act III Kill all the "Trunks" and a secret little walkway apears. I Currently have 4 pieces and am going to pikc up the on at sawmill It takes me a bit longer thouhg since im on HC Elite When I have 5 ill tell you guys if anythings changed
GOOD NEWS Once you find all five parts (They are all listed in this Topic. One of them by myself) You can go back to Act three village and talk to the scientist. He builds the robot. You can talk to it and receive a quest called "The Three Sisters"