Inside the room.
Strands of black mist seeped up from the floor and surged toward Wang Teng's body.
The room was instantly filled with black mist, thick with demonic aura.
Fortunately, Wang Teng had already set up an isolation array around the room with his Mental Power, so outsiders could not detect anything at all.
Within this entire War Fortress, there was no one Wang Teng needed to worry about except Di Qi.
He was the only one who could make Wang Teng feel threatened.
However, Wang Teng's attainments in arrays had reached the Great Grandmaster Level. Naturally, he was confident he could conceal this from Di Qi's senses.
At that moment, Wang Teng circulated the Sloth Mist Demon Art, absorbing all the black mist into his body. After circulating through him once, it gathered at the core of his dark star.
Time slowly passed. More than an hour later, all the sluggishness within the War Fortress had been completely absorbed by Wang Teng.
The Sloth Mist inside his body had become a huge mass, and it was compressed at that. If released, it could completely blanket an enormous area.
This was how the Sloth Mist Demon Emperor had used the Sloth Mist as well. His body had clearly not been large, yet he had been able to cover a vast range.
Wang Teng could not help smiling faintly as he stopped cultivating the Sloth Mist Demon Art.
At the same time, the warriors outside, who had clearly been exhausted, suddenly felt full of energy again.
"Strange. My body is exhausted, so why don't I want to rest?" Some warriors muttered to themselves, their faces full of confusion.
Then they resumed working hard. Many buildings within the War Fortress had been damaged, and there were not enough engineering robots, so