Oh, don't get me wrong, daggers definitely have their uses and I've owned quite a few. But this also has symbolic value.

[He raps the knuckles of his free hand on the blade near the crossguard, making a faint metallic noise.]

No other blade would be quite the same.

[And he's just kind of going to leave it there in his lap for a little while while he rearranges his chips.]

I'm not sure that it's another dimension, exactly. But the Armiger is incredibly useful for such things. It's a family talent.