No Life King

[Silhouette] was a more advanced form of [Marionette].

The latter was an Exclusive Skill that Justin had prior to his evolution. It allowed him to manipulate threads made of Mana, utilizing them for a variety of purposes. 

However, as [Silhouette], the Skill's nature slightly changed.

[Marionette] could be used to control objects by attaching the threads to them, but [Silhoutte] went deeper than that.

It could control Mana itself.

The dark threads were connected to everything around Justin, allowing him to control the Mana in the air, or the Mana of his enemies. Most of these threads were so thin that they were practically invisible, and the dark ones that could be seen were an amalgamation of hundreds, if not thousands of threads.

Thanks to this ability, Justin could rip apart a Spell or attack directed at him—not that he would normally need to—by simply attaching his threads to them and then controlling it.