I'd mistakenly thought that the usage was part of the "I shall repay you" flashback of "Dark Knight, The Second Chapter." But no, it's not on the North American nor German DVDs (I don't have my VCR hooked up anymore to check the original Canadian cut on dubbed VHS ~grin~). What is there is:
NICK: You made me a murderer.(My memory had mistakenly matched 2:2 in that exchange: murderer/slave to god/brother.)
LACROIX: I made you a god! I made you eternal. I made you my brother.
So where was it? Not the symbol-rich dreams of "Dying for Fame" or "Feeding the Beast." "Curiouser and Curiouser" comes close, but there it's Lacroix who says Nick is "enslaved" (by his guilt). Had I made it up, after all?
No. It's in the flashbacks of "Killer Instinct" (which, chronologically, almost immediately follow the flashbacks of "Dark Knight").
LACROIX: My protégé.
NICK: Your slave.
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