Vasto Lorde

Tia Harribel as a Vasto Lorde.

Vasto Lorde are the third classification of Menos and the highest level of evolution. They are extremely small Hollows, roughly the same size as humans and are extremely rare in number. It is said that you could count their entire number within Hueco Mundo with only the fingers of your hand. The Vasto Lordes' combat capabilities are above that of the captains of the Gotei 13.   

• Appearance: Unknown.

• Signature Skills: Unknown.

Apart from the need to cannibalize even more Hollows, any special requirements for the creation of a Vasto Lorde are unknown.
Tōshirō Hitsugaya states that if Sōsuke Aizen has more than ten Arrancar at Vasto Lorde level, Soul Society would be doomed. Of the Espada, Harribel has been confirmed to being a Vasto Lorde at the time of her recruitment