After thinking it through, the guard realised that he couldn't just leave without doing anything. He had seen the fates of other guards who had pissed off his young master before, and if he left now, he wouldn't only offend his young master. The noble family behind him would feel like their prestige was tarnished, and if the young man in front of him had an identity that they couldn't afford to offend, then he would be made into a scapegoat.
After bracing himself, the man prepared to make a surprise attack. With the help of his [Heaven-Piercing Eyes], Raymond easily saw through the man's intentions, and he made the first move. Once again, he slightly shifted his centre of gravity and suddenly appeared behind the man like a demon. Since he didn't want to draw his sword inside the restaurant, he used his hand as a substitute.