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Ulquiorra is a very cold, callous figure.He's also rather dispassionate, often appears depressed, and is rather aloof, brooding, and indifferent, willing to harm both his comrades and enemies should they ever disrupt his plans. He tends to call anyone he does not find interesting "trash", and therefore expendable. Despite this, he is not particularly violent, unlike most of his Espada comrades.
Ulquiorra has a sword wich name is Murcielago. The handle is green and the guard has two curved extensions from its shorter sides, giving it an eye-like appearance.
Unknown.