Only requires a blade of Star Concealing Grass for a successful Herb Refinement. Once consumed, you will have perfect invisibility would for 3 hours. Regardless of body, sound, smell, and objects on the body, it would all be completely concealed. During the period of invisibility, if someone were to come into contact with the concealed body, the invisibility would immediately be cancelled.
- The only thing that could refine the Star Concealing Grass, was the one and only, Sky Poison Pearl.