"My dear, I am a Prince of the Ars Goetia. 'Doesn't-play-nice-with-others' is the nicest way you can describe most of my relatives." Even though Stolas IS one of the nicer ones, he still has his limits and that apparently meant that he doesn't tolerate rude humans barging into his home unannounced! Even during a blizzard.

Perhaps, especially during a blizzard.

"I also never said I wasn't willing to work with others. I am simply unwilling to work with a rude human that makes the assumption that I would take my time figuring out what to do if someone came knocking on my door during this horrendous weather."