With [Vanish] and [Kill Strike] already honed to an advanced level, Leo shifted his focus to the third and final core skill in his repertoire: [Mirror World].
Unlike [Vanish] and [Kill Strike], [Mirror World] was an unusual skill for Leo, primarily because, unlike the other two, he had never seen a more refined version of this ability from his mentor, Ben.
At present, the key difference between Leo's [Mirror World] and Ben's lay in the number of clones they could generate. While Leo could conjure a maximum of 12 clones, Ben's capabilities extended to producing well over 100.
Despite this numerical disparity, the quality of the clones remained identical, suggesting it was purely a matter of quantity.
Drawing from his experience in mastering skills, Leo knew that when a skill's mastery advanced from [Intermediate] to [Advanced], it underwent a significant qualitative transformation.
