The border surveillance room was near the city entrance, so it was easy for Vaan to overhear and sense the situation inside.
Nevertheless, he was not concerned about the city's reinforcement.
After all, Vaan was currently inside their city. Even if they sent experts, they would have to exercise caution and restraint lest they bring about the destruction of their own city.
Moreover, Vaan had already discovered the Celestials' weakness in cultivation.
The Divine Inheritors were already weak due to the nature of the Divine Inheritances. However, their biggest weakness was their lack of understanding and utilization of the laws.
The heaven-defying path of energy cultivation required shattering the energy core at the Void Realm to produce a violent yet controlled energy explosion, which could form a miniature universe to accommodate the superior divine energy.
