Weasley said his eyes were glowing amber, irises and pupils gone in the second before it happened. Weasley had been the only one looking at him, apparently. Which didn’t surprise Draco. Weasley was always unnervingly observant at times. He always knew what to watch when everything went to hell around him. It was one of the skills that helped him win a war and made him a damn good Auror, despite being a bumbling arsehole most of the time.