Because after they followed Noah, they never participated in any war. As the Great Lord, every time Noah summoned them, it was either to host a banquet or an academic exchange, or perhaps a gemstone appraisal, all of which were fundamentally aimed at entertainment and leisure, creating an exceptionally relaxed atmosphere.
However, when the first Dragon Lord stepped into Noah's palace and saw those solemn Dragon Fairies below Noah's Throne, as well as the many silent, iron-clad Giant warriors, they realized that this gathering was anything but ordinary.
"Your Highness Noah, what has happened?"
"Wait until all the dragons arrive."
Since there was no isolation of message transmission, the Dragon Lords who were leisurely making their way to Noah's palace accelerated their pace upon learning of the gravity of the situation.