If Ashton's mark of the Union turned golden then it was serious, it meant that Nolan life could be threatened right now by something and this something was likely to be black particles, but it was impossible, Ian and Jordan had checked his body and they said that everything was fine…
Kevin then decided to activate his Stage 2 and although his instincts told him that something was indeed wrong with Nolan, he couldn't see anything suspicious in his body, except that his heartbeat was beating too fast for someone in a coma, as if he was fighting something, so he said hastily when he saw Axel approach Nolan with Willow in his arms: "No wait!"
Axel then looked at him and he said: "I don't feel anything wrong Kev..."