C17 Hello vampire

I was in a dark place for a very long time. To my knowledge, it only seemed like a couple days but I had a feeling that it had been much longer than that in reality. During that period, I sporadically experienced excruciating pain all over my body. If felt like my joints and muscles were being treaded on by a tractor, ponded then remodeled, then treaded on again in an endless agonizing circuit