The Shield gave a frustrated growl at his failure. He didn't like this scenario, he didn't like being stuck helpless and watching. He preferred to act and protect and just generally be involved.

"Noctis Lucis Caelum!" He tried again, practically shouting in the young man's face as he tried to move around to block his way. "Wake up! This isn't real. If it was real, you are no longer living it. Chancellor Izunia isn't anywhere near and Ignis and Prompto are safe and waiting back on the airship for you to return."