Mostly what moves they hatch with, as I expect I can predict most of the moves they'll have but there may end up being a few surprises.
Aside from that, personality and any other quirks you may notice would be helpful, even if I'm not sure if anything in particular contributes to those factors.
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Aside from that, personality and any other quirks you may notice would be helpful, even if I'm not sure if anything in particular contributes to those factors.