simply say something like "never seen ya before" ... and continue with generic conversation.
That would be enough for me to consider it a unique dialogue interaction. Just affirm that I'm a goblin. Like how
***SPOILERS***
the guard at the gate will say something like "Step aside, Drow coming through" and then not much different from that. That's totally enough for me.
"Never seen you before."
"Back to work, feck shite!"
Something like that
concidering only part (those who use the spell) of part (those who play small race), will be able to see it.
Now let's talk about taller people disguising themselves as bugbears... haha
