Tiarion had a different problem, which was "solved" by his relationship with the priestess. Before meeting her, he completely lacked any ambitions and had no particular desires of his own, so he would hardly have started a rebellion. The only possibility for this would have been if he had seen his name on the emperor's final decree.
Небо – угроз не слышит
Небо – ведёт особый счёт
Небо – тебя найдёт