Despair and Helplessness.
Jake remained flabbergasted for a long time after witnessing such a brutal killing. He was certain that these images haunting his mind would remain forever etched in his memory. Despite his apparent trauma, his brain was in a state of turmoil.
Numerous scenarios and explanations that could explain what had just happened were running through his mind nonstop, one by one, quickly sifting through his logic. Soon he regained his composure and narrowed down the range of plausible explanations to two major hypotheses.
Either the Second Ordeal was proceeding as planned and everything that had happened had been anticipated by the Oracle. Or, an incident defying the Oracle System's prediction capabilities had occurred as in his First Ordeal with the Digestors' appearance.