Well, Wakaba was Utena's voice of sanity for long before SotS. You may remember her making mention of an incident in SKU where she tells Utena that not normal is normal for her. That was precisely the kind of sanity check Utena needs from time to time; in that case, it was to get her over having been beaten by Touga so she can go back to knock the smarmy look off his face.

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this world created by the
hands of the gods
everything is false
everything is a LIE
the final days have come
now
let everything be destroyed

--mu