Serial Killer Strength is where horror meets strength and conditioning. This is where tools of your favorite serial killers can be wielded and swung and slashed for killer hand, wrist and grip strength.
There is also a mind set involved that serial killers have that is uncannily similar to the pursuit of health and strength. That singular, consistent, non stop, laser focused attention to what you eat, what you do physically on a daily basis that gives us the feeling of supreme satisfaction and that need to continue killing it day in and day out.