C256 The Fourth Request of the Gale Air Force

Xi Qian had also taken note of the peculiar pattern on the altar, and it sparked a memory. He paused to think, straining to recall a past encounter.

"This appears to be a summoning altar. If I'm not mistaken, it's likely used to call forth evil spirits," Xi Qian explained to Zhuge Yao, a hint of fear in his voice as the pattern stirred old memories.

His complexion turned ghostly pale