After the Wood Sword Heart reached Tier Nine earlier, Jiang Cheng's Sword Rule fusion level also improved.
However, it was still at the Early-stage Quasi-Emperor level.
There's nothing he could do about it; although both are related to the Sword Dao, they belong to different systems.
The Sword Rule is the ultimate principle of Sword Dao, whereas the Sword Heart is a branch project extended from Sword Dao, and their complementary relationship is not significant.
Brother Cheng estimated that he needed to gather a few more Tier Nine Sword Hearts to be able to elevate his Sword Rule fusion level to the Late-stage Quasi-Emperor.
Saying this aloud would probably infuriate a lot of people.
Gathering a few more Tier Nine Sword Hearts, is that even humanly possible?
Entering the range of the Fire Sword Heart, he faced countless attacks from fire swords.
The surrounding was filled with the Fire Realm, yet it differed from actual flames.
