Because he is the emperor's son, if he leaves then Crown prince has no rival and he might overtake power anytime.…
The emperor's goal is acquire the immortal temple and all of its advance technology which from his POV would make him a god. All of this politics is beneath him. His children are his objects thats why he wont let anyone take them away. This is also why he doesnt care about any of the corrupt politicians because again they are all beneath him.
Ep 14: when they were revealing who was the one who protected Fan Sizhe... I'm sorry Duo Duo, but i was really…
I think the uncle is either still fighting that other grandmaster or the immortal temple finally captured him. I skipped some of the part in the novel.
I didn't read a novel this time so I am not sure if emperor really knows how evil his sons are... Except FX they…
The emperor's goal is the immortal temple. With its vast power and knowledge none of these political infighting, kingdom wars will mean anything to him.