Low Muscle Glycogen. Yep, I just completed a chapter which focuses on the endurance demon that ends all races. And wow, is it good. Even if I do say so myself. And I do.
Write what you know? Have you ever bonked before? Why yes I have. And after reading this bit I’m guessing that even if you have never been in the situation where your body literally gives up — while your mind screams “lift that leg, yes, one more time. Now that one, you can do it” — you will feel that pain. That sweet, sweet pain which narrows your focus and will inevitably prove to anyone who matters, to yourself, to your only competition, that you are the only God of this damned temple.