"The secret of soul seal" is to enhance the soul seal. It reminds Chu Nan of carving the array on the soul of the sword. The soul is strong, driving the heavy sword to become strong. It is like a growing Warcraft. As long as there are enough conditions, it can grow infinitely and grow infinitely.

in this way, Chu Nan doesn't have to wait to collect all the arrays. After all, there are tens of millions of arrays in the world. What year and month is the first time to collect them? If you don't collect them in a day, you can't make heavy swords?

now, "the secret of...