[Despite the warning there is no way in hell Helix can manage to be personable, but he'll do his best to behave at least. So no fights.
Yuuri is going to get the most warm welcome when it's Helix opening the door to greet him. As warm as a cold, narrow eyed gaze can be. There's a silent warning of "if you touch or hurt Aidan I will kill you" hidden in there.
But he steps aside to let the other through without a word or fuss.]