C1890 Kou Tianhuo's Death

"Phew..."

Lee Yifann shook his head and frowned slightly, "The consumption of five revolutions is actually so great. Fortunately, my soul has improved a few times. Otherwise, I might have fainted after using it."

The difference in power between each revolution of the Secular Bird Crossbow was huge. The higher it went, the more spiritual qi and soul force it consumed would increase exponentially