That phrase is most likely referring to Jane's power to cause extreme pain. Jane is a vampire in the Volturi coven in the Twilight Saga.
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Jane has the ability to inflict a mental illusion of burning pain. It physically does nothing to them, as it is an ability to trick the mind into thinking there is pain. Jane can control how much pain she inflicts on her victim. The pain that Jane inflicts is described as being like "burning" inside of the victim.
'She and Jane' is more idiomatic.
Jane Wiedlin goes by Empress Jane.
Jane Fonda goes by Lady Jane (childhood).
Jane Pratt's birth name is Jane Elizabeth Pratt.