It was just on the night when the eldest prince rebelled that the crown prince, King Huai, and the six ministers discussed the matter briefly. Without asking King Huai's opinion, the crown prince took swift action and arrested all those involved.
The next day, all of these people died in prison, including Uncle Dingyuan and the Marquis of Wuwei, who opposed the crown prince.
Of course, the crown prince publicly declared that everyone involved, including the eldest prince, had committed suicide out of guilt. However, King Huai, Mr. Gongsun, and the six ministers who had attended the discussion knew very well that it was all orchestrated by the crown prince.
"He has grown," King Huai said slowly after a long silence.
Mr. Gongsun nodded in agreement, noting that the crown prince indeed had matured.