The Spiritual Sword, from Alex's observation, did just one thing. It disrupted the flow of Qi through one's meridians.
Alex couldn't tell if it slowed down the movement of Qi or made the meridians squeeze together so that not much Qi to move through it, but it always made what came out in the end vastly weaker than what the opponent was capable of.
This only lasted for a few seconds or so before they usually got back their ability to fight, but that was enough to take care of most enemies.
Alex took out his sword and send a barrage of attacks at the monkey who couldn't put up any defense. Despite the fiery armor, it was still hard to cut the monkey with his strength.
But slowly as more and more Qi was lost, it became easier to cut. The monkey, despite getting back its strength, couldn't produce any of the explosives balls of fire anymore.
A few minutes later, it finally died.
