Zebert harbored hatred towards Gu Hang.
He still remembered that Gu Hang had promised him to extend his life. That transaction between them was the most significant matter to him when his life was nearing its end.
Time and again, he tried all possible ways and means to send messages to the far East of the Empire, pleading for Gu Hang to come and perform the promised enhanced lifespan extension surgery on him.
Yet, he never received any response.
Was it because the emergence of the Scarlet Scar led to a communication breakdown?
Yes, that was certainly part of the reason.
Common and ordinary means of communication indeed became unusable in the aftermath of the catastrophe.
But he was the Imperial Prime Minister. The resources he could mobilize were far beyond mere 'ordinary' means.
Across the Scarlet Scar, in the world on the other side of the Empire, there were many they managed to contact.
