This armor-piercing attribute could be said to be extremely powerful.
From the Qi Gathering realm onward, almost all cultivators would use their spiritual power to protect their bodies.
Moreover, they would usually have special defensive means, such as the Demon-Devouring Armor.
In order to attack the opponent, one must break through their protective layer of spiritual power.
This was also an important part of the gap between mortals and cultivators.
Ordinary sword and knife techniques were unable to break through the defense of the protective spiritual power layer. Only spiritual power attacks could break through it.
However, this Armor-Piercing Spear directly ignored the protective spiritual power layer and attacked the main body.
In terms of battle, Zhou Feng had a huge advantage.
"9th Level of Qi Condensation! And then there's the Armor-Piercing Spear!"