[Indeed he did notice. There's not much that slips Alphinaud's notice, at least in most cases...he likes to think he's gotten better at keeping his wits about him, at the very least. But Timekeeper here doesn't seem dangerous, at least not on the surface. Just...eccentric, perhaps.

But then she goes into further explanation, about how she has the ability to see, visit, influence timelines, and now he begins to hold himself a bit more carefully. Very few can harness power such as that, and she doesn't immediately strike him as some sort of all powerful omniscient god or anything...

Then again, that isn't to say that things like this don't simply work differently on other planes. That's something he has to remember to consider as well.]

By the Twelve...you've actually constructed a device that allows you to pass through the fabric of time itself?

[And she just says it like she's talking about her daily coffee in the morning.]

I can't imagine the amount of aether...no, it's inconceviable. Your world simply must operate on different rules to Eorzea.