The impact of his treatment of the beast fell upon him and Ca'daan let out a single sob.
Caden took a deep breath and the let out a single sob as the impact of the treatment took full effect. 
mnli hypothesis: Caden took a deep breath and the let out a single sob as the impact of the treatment took full effect.  premise: The impact of his treatment of the beast fell upon him and Ca'daan let out a single sob.