|Title||Gufo di Nebbia|
|Manga Debut||Chapter 163|
|Anime Debut||Episode 90|
It seems that it can construct illusions just like other Mist-attribute Box Weapons, but its skill is unknown.
- The Japanese word for owl is "fukurō", which sounds similar to "Mukuro".
- In some translations, this Box Weapon is referred to as "Mukurowl" to differentiate between it and its namesake, Mukuro Rokudo.