6. Electrocution
If you read about lethal injection as the first item on the list of the most painful worst ways to die and felt revulsion, then this killing method will make you feel something worst. So, if you ever find yourself in a situation to choose a way how to be executed, do not ever choose the electric chair instead of the injection. The reason is the time it lasts, which can be a few minutes, during which time person feels severe pain, caused by the tearing of the organs. The electricity is very powerful and goes through the body looking for the easiest and fastest way to go out, cooking and roasting the organs without mercy.