In Vermont if one is assaulted they may use force to stop the assault only to the point where the assailant stops. Self defense does not include the right to cause the assailant great bodily harm, or to use deadly force, unless the person in danger believes they will be killed or severally beaten themselves. Deadly force is justified in the defense of a person's close relatives, spouse, or guardian.
Castle Laws are laws that address the use of force when defending one's self inside their home, or on their property. Some states expand this to vehicles, and the person's place of work. Castle Laws generally include: the places where this law applies, the requirements fro use of deadly force, if there is a duty to retreat, the amount of force that maybe used in defending one's self or others. These vary widely from state to state.