Deception

From Inga no Kusari wiki

Deception is Rorek's glint.

Deception takes the form of an intricate designed bracelet upon his left hand.

Glint Ability

This Item gives Rorek one unique ability that has two effects. First and foremost, Deception gives him the skill of adapting. Now it branches into two sections, one being that he is now able change his reiatsu signature to that of any class, (e.g. Hollow, Shinigami, etc.) Hence blending in to the surroundings and their people, while the other allows him to change his garments at will to further blend in.