"Light... attribute..?"
"Ale...?"
"Wait! You can't! You'll hurt him!"
The King, snapping out of his shock immediately, grabbed Ale's hand in an attempt to stop him from using his power on Alex.
It was well known by everyone that applying healing spells or using light attribute on demons or anyone with dark attribute can cause quite the injury on that person.
King Charles stopped Ale because he didn't want Alex to be injured. It was in his instinct. Even Alex himself was a little scared when he saw the light, almost forgetting that he himself had previously been graced with Ale's power as well.
"It's alright, your majesty. Nothing bad will happen."
"What?"
"He's right, father. You can let go."
"...?"
The King, confused and conflicted, let go of Ale's hand in the end. Ale continued with what he had initially intended to do and used his healing powers to heal the wound on Ale's palm.
"How is this possible..."