Now, three years have swiftly passed. The other party has already become an unparalleled monster in terms of peak combat strength, at the 'Spiritual Essence Realm Eighth Rank', an extraordinary freak of the Sword Dao. And it's only been three years.
At this moment, even though Mu Xin and Mu Yan have already entered the most powerful 'Spiritual Element Battle Domain', their cultivation is at 'Spiritual Essence Realm Second Rank' peak and the other is barely past the 'Spiritual Essence Realm First Rank'.
Mu Yan, the elder sister, is at the 'Spiritual Essence Realm Second Rank' peak, while the younger sister, Mu Xin, is at the early stage of the 'Spiritual Essence Realm First Rank'. Though the sisters look extremely similar, their cultivation and personalities are almost polar opposites.
