I guess, mostly you would like to know how to do it right?
You find all China quest here
https://diggysadventure.fandom.com/wiki/China_(Quests)
Choose Dragon of Fire or scroll down.
Do everything as stated there and it will work.
Trish‘s post means, that she missed something from that list or did it wrong, so she was stuck until she followed through with what is requested to be done.
This material is very helpful!
