With a discovery that had truly caught his attention, Gu Xi had devoted all his energy to this place lately.
He had even sent some of the research materials back to Underworld University through Yan Ruyu, hoping they could do him a favor and test whether his experiment could succeed and whether his approach was sound.
After that, Gu Xi continued to devote most of his time to this work.
If the city before him had not finished its conversion into a Death City, becoming the Void Ghost City under his command that could move through the void, Gu Xi might still have been conducting one experiment after another.
Only when the Void Ghost City's conversion was complete did Gu Xi come to his senses.
"So much time has passed."
Gu Xi stood up and glanced around. He discovered that, after its conversion through the Hand of Death, the Ghost Domain in the void before him no longer bore any resemblance to its original form.
The original Ghost Domain in the void had been built in the style of a Floating City, filled with towers of every size, with workshops for making gargoyles beneath them.
But after Gu Xi's modifications, the style of the entire city had changed.
First, the city's color had changed directly from its original deep blue to a moonlit silver-white.
At the same time, most of the buildings in the city had collapsed during the conversion, leaving plenty of empty spaces. The only thing that had not been dismantled was the void crystal beneath the city.
This was the key to the entire city's ability to exist and move through the void.
Without this void crystal, the city would not have been able to move through the void.
Although most of the buildings had been dismantled,