待朕登基时定封你为太子
[dài zhèn dēng jī shí dìng fēng nĭ wéi tài zi]
Imitating imperial terms, this phrase declares the intention of appointing someone as Crown Prince after self ascending to the throne; expressing strong support or belief toward the addressee by showing willingness to grant them highest position imaginable next to themselves when they have power or reign