Mysterious Nether Turtle! Xu Sanshi's Strongest Defense

But even the current Demon Sword Martial Soul was still a top-tier Weapon Spirit, and its strength was no weaker than Xu Sanshi's martial soul.

"I'm curious. Which is stronger, your Mysterious Nether Turtle martial soul, or the Elephant Armored Sect's Diamond Mammoth martial soul from back then?" Chu Han suddenly asked.

His mother, Qian Renxue, had once told him about the Mortal Realm, about the Spirit Master forces and sects in that era, and about some powerful martial souls.

Chu Han remembered that Qian Renxue had mentioned the defense-type martial souls of the Douluo Continent back then, and had brought up the Elephant Armored Sect's Diamond Mammoth martial soul.

It had been a top-tier Defense System martial soul at the time, and there was also the Defense Clan's Armored Rhinoceros.

These two martial souls were almost the strongest Defense System martial souls of that era. Of course, there was an even stronger martial soul: the Bone Dragon.

However, only one person had possessed a martial soul like the Bone Dragon, and that was the Bone Douluo of old. But as long as a martial soul existed only in a single Spirit Master, it would never be named the strongest.

Because once that Spirit Master died, the martial soul was gone. Its strength only dominated a single era.

However, the current Elephant Armored Sect and Defense Clan had long since declined. They were no longer one of the flourishing Seven Great Sects of the past, nor top-tier Spirit Master families.

Now their numbers were sparse, their sects and clans had fallen, and there were already very few of them left. From sects and clans, they had now become scattered households.

But they still had descendants continuing to this day. Among the descendants of the Elephant Armored Sect and the Defense