Angel noticed the changes in the Door Model only when the refined energy's cycle was about to end.
The changes in the Door Model were subtle internal alterations. With more than twenty-seven hundred patterns interwoven within it, they had been difficult to spot in the first place. Moreover, Angel had not intended to use the Door Model at this point, so his attention had not been on his spell slot.
It was only when the Door Model itself released a strange fluctuation that Angel instinctively turned his attention toward it.
The moment he looked, he froze.
Of the more than twenty-seven hundred patterns in the Door Model, half had been constructed by Angel himself, while the other half consisted of special energy. This special energy was entirely different in nature from any energy Angel currently knew, and its origin was equally unusual.
It came from the Strange World that was inextricably linked to the "Outer Eye."
Previously, when Angel used the Door Model, its function had been limited to short-range spatial displacement. But Angel knew very well that the Door Model had another special aspect that had yet to reveal itself.
That was whether the Door Model would undergo any changes under the influence of the special energy.
When Angel had constructed the Door Model in the Whisker Whale Sea, a portion of this special energy had already existed within it.
The special energy lay deep within the Door Model and slowly spread as magic power circulated through it. Angel could not tell whether this spreading increased its total amount, diluted an unchanged total amount, or involved some other possibility.
But one thing was foreseeable: eventually, this special energy might spread throughout the entire Door Model.
Angel had speculated long ago that when the special energy spread through the whole