Consider the Prayer...
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The words themselves are nonsense, considered individually. But the whole adds up to something tantalising.
A matter of luck: Pretty good odds (success chance: 80%)
A familiar sensation
[...]The back of your neck tingles: there is a smell of singed hair that you recall too well from your time in the Forgotten Quarter.[...]A half-hour later you have a curiously incised leaden plaque, scorched fingertips and a gap in your memory[...]
Nothing of note.
Whatever it is, it'll remain tantalising.