In fact, the "underground listening station" was not only managed by underground forces like Shadow Step, but the Shadow Temple itself also had its specialized receivers.
On one hand, it was necessary to know oneself as well as the enemy, and to be in control of the dynamics in other regions at all times.
Even if that was just entertainment news filtered through the Vilitasians, it was still invaluable to these realms of faith.
On the other hand, Transcendents above level five wouldn't be "contaminated" by the information inside, instead, they would grow even more hostile towards the Vilitasians.
Thus, three days after Buzina had left, the people of Delmynes learned of the news, and soon after, Heine's "guidance" was also sent from Makala.
However, even if the subsequent events almost matched Heine's predictions, Nikess was unable to make much of a response.