On a mountain more than a hundred li from Litian Water Town, Liu Xixu took out the Array Cannon she had refined.
The Array Cannon had a fairly large circular base, densely engraved with array patterns. A thick cannon barrel stood in the middle of the circular base. The barrel was about one zhang long, covered inside and out with dense array patterns, and looked cumbersome.
Liu Xixu took out a cannonball about one chi in diameter and carefully placed it through the mouth of the barrel. Then she took out five Superior Spirit Stones and set them into the grooves on the circular base.
"It's firing." Liu Xixu informed Jiang Ping'an, then formed a hand seal and activated the Array Cannon's formation.
Essence power surged madly through the dense array patterns on the circular base, and the essence energy contained within the five Superior Spirit Stones was drained in the blink of an eye.
The next moment, the thick cannon barrel lit up, radiating a cyan glow.
When the cyan light emanating from the barrel reached its peak, the cannonball inside shot out at an astonishing speed, streaking toward the mountain opposite them.
The next moment, an explosion erupted on the opposite mountain, blasting down a large swath of earth and stone.
"The attack range is impressive, but the power is slightly lacking," Liu Xixu said with some regret. "The cannonball can't be made any larger."
However, a smile could not help appearing on Jiang Ping'an's face. "With some slight improvements, its power should increase by several dozen times or more."
"Several dozen times?" Liu Xixu could not help being startled. She hurriedly asked, "How would you improve it?"
Jiang Ping'an said expectantly, "Make the Array Cannon larger—at least ten times larger—and replace the cannonball with a huge iron