It took Ye Chong three days to finish modifying his entire defense system. In those three days, Kristen watched how Ye Chong disassemble and reassemble the cannon barrels with ease. Her initial fear had now dwindled down to normalcy. By the third day, she began to lend Ye Chong a hand.
The heavyweight firepower was an eye-opener to her. As a person who was dedicated to the art of weapon making, the power of the cannon arrays made her realize just how insignificant her earlier works were! Kristen had always been inclined towards violence. When she got over her initial shock, she began to study the small but powerful weapons.