Board Thread:General Discussion/@comment-26955555-20180309193805/@comment-30250591-20180409215802

Maybe Vasto Lorde Arrancar are the reason that Espada no. 4 and higher cannot release their swords within Las Noches.

Grimmjow seemed to be close, since he was very small for an Adjuchas. It would be interesting if Kubo provided the necessary qualifications for becoming a Vasto Lorde, and whether or not it was more than simply eating enough or being blessed with that much spiritual pressure.