Re: Humanoids not in charge?
I've used the ruled by Dragons(rolemaster/Fantasy Hero) and the Kamandi ruled by Humanoid Animals(Gamma World) themes both worked out well.
Re: "Shock," a Status Effect
Are you talking about not being able to move after being "shocked"? If so, how about Entangle with a combination of Based om Mental Combat/Mental Power based on CON Advantage/Limitation Linked to the Attack.