[ With the grace of an enraged goddess, he can keep singing his wordless tune and turn his gaze to her. The usual pink glow in his eyes has faded slightly, making him look less "alive"; he's mildly irritated, like one would be at a troll or a small child being a brat.

But his gaze moves to Napstablook, then back at Undyne. A challenge. Are you really going to hurt Blooky by being an asshole like this? ]