"Invisible Sword Energy" ranks as the highest martial arts technique which a Mortal Realm martial artist can obtain, making it part of the highest martial arts that can be cultivated in the Acquired Realm, and it's infinitely close to the Innate Level.
So far, despite the long-lasting World Mutation, no martial artist is known to have ever practiced "Invisible Sword Energy".
That is why as soon as Wang Tong and Lei Jiang heard about "Invisible Sword Energy", they became so excited that they even forgot about their own injuries.
The "Invisible Sword Energy" is too strong, too rare, and too important.
After all, for martial artists at the current realm, it represents the highest level martial arts secret.
Let alone them, once the news of the appearance of the secret to "Invisible Sword Energy" is released, all the martial artists in the world would be stunned.
"Okay, don't be such losers. It's just "Invisible Sword Energy". There's no need to fuss over it."
