I think Varys sees Aegon VI burn along with his hopes for a perfect prince, and finds out that he was betrayed by Illyrio, who swapped the Aegon he saved for his own son.
Just a backup in advance of the detumblring
I think Varys sees Aegon VI burn along with his hopes for a perfect prince, and finds out that he was betrayed by Illyrio, who swapped the Aegon he saved for his own son.