It wasn't just Stone Gate City; even the powerful wraiths of Calamity City were mobilized by then. Taking the three cities in the rear as the core, all the wraith altars in the vicinity had entered a state of emergency, and the message was also relayed to the front lines. The current order from the Spectral Saint Mage was to find the attackers at any cost and extinguish them.
One must understand that the construction of a wraith altar is not a simple matter—it requires numerous resources, and the recovery would not be something that could be completed in a short time. Because of this, it might even cause changes in the strategic situation at the front lines.