C549 Ring the Heaven Bell Summon the Five Emperors

What was the greatest taboo to the emperors of the mortal world?

The previous dynasty!

You said that Lee Shimin of Tang Dynasty is a merciful Sovereign King, but why don't you tell him in front of you that it's ten thousand years before Yang Guang to give it a try?

Do you believe that I will directly chop off your head!?

The Jade Emperor was the Lord of the Three Realms