Yes. It was stated that "the strong will survive," and that only the most powerful of the princes and princesses can become the next Emperor/ Empress. The current Emperor killed his 37 siblings to gain the throne. Hope this answered your question (▰˘◡˘▰)
Did they explain why they have to kill each other in order to become emperor/empress yet?
Yes. It was stated that "the strong will survive," and that only the most powerful of the princes and princesses can become the next Emperor/ Empress. The current Emperor killed his 37 siblings to gain the throne. Hope this answered your question (▰˘◡˘▰)