"Master remembers once teaching you a divine technique of thunder cannon, do you still remember it." Xu Fan said.
"Is it the Armstrong Cyclotron Acceleration Jet Armstrong Cannon? Disciple is fond of this technique. Even though it's not quite practical now, I still practice it occasionally." Xu Gang said.
"That technique is a preliminary divine ability. Only after mastering it can such power be achieved." Xu Fan said as he flicked out a jade slip from his hand.
"The promotion technique for the Armstrong Cyclotron Acceleration Jet Armstrong Cannon is in this jade slip. Practice it well. When you practice it to the final stage."
"It will have the same power as that cannon." Xu Fan said.
"Master, what is this technique called?" Xu Gang asked.
"The warmth of Sister Cannon in springtime." Xu Fan said nostalgically. He sighed deeply in his heart, reminiscing that he couldn't go back in time.
"???"
.........
