Daemon believed that the biggest threat in the war was Aemond but in the middle of a meeting a messenger arrived with the best possible news

Messenger: "Your Highness I come with news"

Daemon: "What happens now?!" says angry

Messenger: "Princess user Targaryen has appeared again, she's in Queen in Meereen. She have 20,000 unsullied and a horde of 15,000 Dothraki at her command, the people love her and she's being calling herself as the rightful Queen of the seven kingdoms."