Anduin opens his mouth to protest further -- but closes it again after a moment. If this is another way that they can communicate with each other, other than with the communication devices that the Merchant had given them, then it is important that Wrathion continue here. Even if the means of establishing such a communication method are perhaps a bit... rough.

"How does it work?" Anduin asks, forcing himself to approach this at a more logical angle. "This link?"