Claws of Fate
Henry's true nature was from a psychopath who enjoys fighting and enjoys seeing other people suffering. The yellow scale was nothing more than one red scale painted with yellow paint, but it was enough to infuriate Scarlet.
He kept jumping from house to house, maintaining himself as high as he could and not caring about all the civilians dying by his actions. The adventurers on the wall were fighting not only to protect Dankor but also to protect their family back here while his commander was hunting prey, not caring about their families.
"Too slooow, try again, come on!" Henry provoked the dragon.
Again, she came, spilling fire above them all, what Henry avoided in the last second since she came faster and closer than before to do it.
Still, Henry didn't use the harpoon, waiting for the best moment.