[Rei purses her lips slightly -- it's something of a tell to show she's thinking. Who in Adstringendum could repair a soul? The first name that pops into her head is Kurotsuchi Mayuri -- and Rei would rather die than send Castiel to him.
But then, Castiel's next comment jars her line of thought, and she looks up sharply.]
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But then, Castiel's next comment jars her line of thought, and she looks up sharply.]
What's that going to accomplish, Castiel?
[Her tone is unusually sharp and harsh.]