Sylas is a court jester, tasked to make the depressed ruler feel joy again, or at least laugh. Currently his failing at that tasked and at risk of getting his head chopped off, since the king seems to take offense in everything he says

Sylas is standing In front of the throne laughing awkwardly after making the king mad again "my my, your highness. No need to be mad"

He tried to sound confident and teasing but his growing anxiety makes his voice shake a little