To Dynasty, every Prince was the top Duke candidates. As soon as they elevated to imperial-level purple gold-rank, they would be the top powerhouse among imperial-level powerhouses and become the person who held the most power in the entire Dynasty.
Huang Tianqi, for one, was elevated from a Prince. Apart from a few demigods, his ability ranked No. 2 in Dynasty's Division 3 branch.
The death of a Prince would be treated as a serious event the same level of the death of an imperial-level purple gold-rank powerhouse.
Not only did that mean Dynasty had lost a potential top imperial-level purple gold-rank powerhouse, but it was also a humiliation to them too.
Whoever killed Dynasty's Prince would mean that he created a rivalry with the entire Dynasty. Even if it was a demigod-level powerhouse who did it, Dynasty would come after him with no mercy.