Moreover, Zheng Yi's aptitude was naturally above average, and he had quite a bit of expertise in the way of array runes.
As the saying goes, reviewing the old while learning the new can indeed be considered teaching.
This was also a good habit Zheng Yi had cultivated while practicing previously.
Whenever he practiced for a period and his realm and strength improved, Zheng Yi would take out the secret techniques and cultivation techniques he had practiced, study them afresh, and, in conjunction with the improvement of his cultivation techniques or secret techniques, verify the numerous changes in the spells, thereby gaining new insights and understanding, which would help further organize and enhance his system.
However, this set of Four Extremes Array not only involved more advanced realms, but its understanding was also obscure and incomprehensible, completely baffling.
