AMV] Bleach - The Legacy Of Ulquiorra Cifer Espada No. 4 (1080 HD) - YouTube
Ulquiorra - Espada No. 4 by AjkaSketch on DeviantArt
Ulquiorra Vs Grimmjow | Anime Amino
Was Ulquiorra the strongest Espada, being the only one to have achieved a second release of his abilities and being a mere number 4 among his members? - Quora