For Soul Masters with ordinary Martial Souls, cultivating an exclusive meditation method meant for top-tier Martial Souls could grant their Martial Souls certain traits of those top-tier Martial Souls. They might be faint, but as long as such traits emerged, there would be far greater room for growth.
Tie Li had acquired the corrosive trait of the Dark Thunder Demon Dragon Martial Soul. There was only a trace of it, and it was not obvious in battle. Against Soul Masters with decent defenses, it could not even be felt.
Yet this had become the key to opening the jade box.
To open the jade box, one needed the aura of the Dark Thunder Demon Dragon Martial Soul.
Tie Li's Soul Power contained a trace of the Dark Thunder Demon Dragon Martial Soul's corrosive trait, which was why the jade box had reacted when he touched it before.
Taking out the jade box once more, he transformed his Soul Power into purple arcs of lightning that wrapped around it. A crack appeared on the jade box.
The instant the jade box opened, the violent lightning that had been surrounding Tie Li immediately became incomparably docile.
Inside the jade box was a drop of black blood, yet the lightning attribute contained within that drop was exceptionally terrifying.
Tie Li also sensed a familiar feeling from the black blood, identical to the corrosive trait within his own Soul Power.
Lightning-attributed Soul Beasts with corrosive traits were already extremely rare, to say nothing of the dragon's might emanating from this drop of black blood.
As a true dragon-type Soul Beast, the Dark Thunder Demon Dragon was not only scarce, but every one of them was powerful.
Like the Darkgold Dreadclaw Bear, a Dark Thunder Demon Dragon with merely a hundred years of cultivation could