What is the point of view in "The Masque of the Red Death"?

While Poe's story is apparently told from third-person objective
point of view with a narrator recounting an allegorical story, there are other interpretations of
Poe's narrator in "The Masque of the Red Death."

One interpretation
of Poe's narrator is that of Leonard Cassuto who contends the narration is that of the Red Death
himself.  Since Prince Prospero dies about a paragraph and a half before the end of the story,
this interpretation certainly seems plausible.  Added to this, the last line appears to express a
rather victorious view:

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And the flames of the tripods expired.  And Darkness and
Decay and the Red Death held illimitable dominion over
all.

Another interpretation--somewhat
Freudian, it seems--holds that the narrator is the subconscious of Prince Prospero himself. 
Thus, the narrative is the workings of his mind as he wrestles with his own mortality and his
death is not literal, but psychological.  Still, yet another interpretation holds that "The
Masque of the Red Death" is a Biblical morality tale in which God sends a pestilence to punish
the people for their evil and debauchery.  As such, the narrator, then, is a divine
being.

Perhaps, the ambiguity of who is the narrator of his macabre
story make exist because Poe wishes to express what Ugo Betti has
written:

Every tiny
part of us cries out against the idea of dying, and hopes to
live forever.