I have a theory maybe Artaire could not forget Claire all these years and just to grab her attention he unleashed a monster so that she might pay attention to him
but if he did that it would be wrong on so many levels 
but if he did that it would be wrong on so many levels 
I like to post spoilers for the stories I find interesting because I don't have much time to read novel due to busy schedule you will find me in most romantic historical manhwa comment sections
