nel didn't kill noitra.kempachi zaraki killed him.
in episode is around 146
Episode 192: Nel's Secret
Bleach OST 3 - Track 17 - Soundscape to Ardor
It is in the hueco mundo arc of bleach nel is in basically all of them the list would be to long if I listed every episode but I can if you would like me to :)
Around 226 cm. Nnoitra is arguably one of the tallest characters in the series, (though he is not taller than incomplete Arrancar such as Demōra, Medazeppi, and the Arrancar version of Grand Fisher), dwarfing even Chad by at least a foot (around 30 cm). ---- http://bleach.wikia.com/wiki/Nnoitra
Nel used to love Nnoitra but Nnoitra hated her because he was envious of her powers
in episode is around 146
Episode 192: Nel's Secret
Bleach OST 3 - Track 17 - Soundscape to Ardor
It is in the hueco mundo arc of bleach nel is in basically all of them the list would be to long if I listed every episode but I can if you would like me to :)
Around 226 cm. Nnoitra is arguably one of the tallest characters in the series, (though he is not taller than incomplete Arrancar such as Demōra, Medazeppi, and the Arrancar version of Grand Fisher), dwarfing even Chad by at least a foot (around 30 cm). ---- http://bleach.wikia.com/wiki/Nnoitra
nel is 5 or 6 because when she changed into espada form she had a flashback of when another espada nearly killed her and said, she is transforming into a small child! her servants then had to protect her and said she looked about 5 or 6. she lost her powers when she fainted after having her mask cracked but regained them years later to protect ichigo.
Episode 211
episode 1
episode 166
For now it looks unlikely, but everything is possible.
After his battle with Ichigo, Nnoitra unexpectedly attacks Grimmjow leaving him seriously wounded.As Nnoitra prepares to administer the final blow Ichigo stops him. It swithches screen and when it returns he is gone. hope this helped! =)