As reminder here is the power I'm talking about, you can find it page 246 of Scion Hero
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WALK UNNOTICED
Cost: Imbue 1 Legend
Duration: One scene
Subject: Self
Clash: Manipulation + Legend vs. Cunning + Legend.
Action: Reflexive

You slough off your identity and vanish. You do not become literally invisible — instead, people’s minds simply fail to process any distinguishing information about you. A non-trivial character that wins the Clash of Wills can see through this, but still cannot distinguish your identity or any identifying features,...