Zhou Yan stared at the constantly changing Array Patterns ahead, lost in thought.
The imprints of those human figures were not illusions but real existences. This meant that these were the actual residual images of people who had recently entered, causing the Array Patterns to alternately change and imprint these human-shaped Runes.
Zhou Yan stood and watched for a long time, gradually becoming familiar with the way these ancient Array Patterns were transforming, and he also had some understanding of the changes that were about to occur.
"This Secret Realm is actually very suitable for cultivating a cold-nature constitution—if I comprehend the way of the Green Water Sword Body and study the 'Bishui Sword Heart Method' here, the effect would be excellent."
Zhou Yan analyzed and came to such a conclusion in his heart.