Ichigo VS Ulquiorra, Restart!, Bleach Wiki

Ichigo VS Ulquiorra, Restart! is the two hundred and sixty-sixth episode of the Bleach anime. Prior events are recalled. Sōsuke Aizen, Kaname Tōsen, and Gin Ichimaru prepare to leave for the Human World, along with the top three Espada and their Fracción, to destroy Karakura Town and create the Ōken, Aizen telling Orihime Inoue to wait there until they finish destroying Karakura Town. Before they depart, Ulquiorra Cifer breaks free from the Caja de Negacion to protect Las Noches in Aizen's absen

Ulquiorra Cifer, Versus Compendium Wiki

I read in the wiki that there are 3 classes of Menos evolution

Zangetsu (Zanpakutō spirit), Bleach Wiki

Ulquiorra Cifer, Bleach Wiki

Ichigo Kurosaki vs. Ikkaku Madarame, Bleach Wiki

Bleach (TV Series 2004–2023) - Episode list - IMDb

Ichigo vs. Ulquiorra, Conclusion!, Bleach Wiki

Trials of the Shattered Shaft, Bleach Wiki

Bankai Training, Bleach Wiki

Bleach Ichigo vs. Ulquiorra, Conclusion! (TV Episode 2010) - IMDb