Easy chunks would be the bell keeper area. Guaranteed chunk/twinkling/ or dragon bone on kill of invader or if u invade someone else. For twinkling, shrine of amana drop rate has been largely increased. And for easy dragon, go to the first dlc with all the dinosaurs, right after u come out of the room of fighting jester thomas, there are a ton of the giant Dino monsters. If you to the right, on a body will be 3 dragon bones. Continue and you will find bonfire which u can instantly ascetic and get 3 more bones from the body. Do so until u have enough to max out whatever u need