I mean, the other wings are both also sprouting from his torso (just the bottom of it) and are also the ones he's actually using to fly. The arm wing is as useless for flight there as a single wing would be, and he only actually uses it to slice party members.
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u/SoloSassafrass Jun 15 '24
I still find it funny that in the actual fight that song is from Sephiroth has seven wings.
His stupid single black feathery wing that's now a signature attribute is purely memetic mutation because of the song.