Although this Metal Tiger's sonic martial art was formidable, Xia Ping was no longer the man he had once been. Having advanced to the ninth level of the Martial Master Realm and condensed the power of astral energy, the might of his Northern Underworld Body Protection Art had increased severalfold.
The toughness of astral energy was simply beyond comparison with true essence.
If his protective shield had previously been no more than hardened earth, it had now evolved into steel. Ordinary attacks could not possibly break through his defenses.
Even with the power of the Thunder Sound Conch, it was impossible to utterly crush Xia Ping.
If the Metal Tiger had advanced to the Grandmaster Second Heaven Realm, Xia Ping might have been in danger. But there were no what-ifs in this world. It was merely a demon that had just entered the Grandmaster Realm's first level.
Even with the Metal Tiger's extraordinary talent, advancing to the Grandmaster Second Heaven Realm in a short time would be extremely difficult.
Bang! Bang! Bang!!!
These powerful sound waves struck Xia Ping's body like a thousand hammers tempering steel, relentlessly pounding impurities from his body and refining it into steel forged a hundred times over.
At the same time, this force stimulated the medicinal power within him, constantly refining it into true essence, then passing it through the Sun Furnace to forge it into astral energy. The power within his body steadily grew.
With a boom, when his true essence rose to its peak, two of his meridians were consecutively blasted open. The true essence within him surged dramatically, and his martial cultivation advanced by leaps and bounds.
"I really have to thank this Metal Tiger."
Xia Ping was overjoyed. By now, he had broken through three meridians. He had taken a huge