The finely tuned Wakandan remote-monitoring earpiece is able to transmit clear, easily distinguishable environmental sound as well as the wearer's speech, which means that when the weapon fires both the field team and Shuri are able to discern roughly what's happened. Shuri's sharp yelp of dismay echoes in everyone's ears before T'Challa hisses at her to be quiet.

"There is no question now, even if there were before," he says, low and furious. "That prototype, those plans, must go to no one else. And we must capture Gray, as well, without question."

Back in the room, the muttering among the guests stops for a moment as one of them stands up. "I'd like to examine it," he says, baldly, and another murmur sweeps the room. "Otherwise, how do we know this little demonstration wasn't staged for our benefit?"