A Knight was considered a quasi noble by him and a baron was only the lowest ranking of nobles.
He was the son of a count and between him and a baron there was still an entire noble rank that could only be made up with generations of hard work and merits
"You may think that your jokes are funny, but they are really distasteful. I'll excuse your mistake once. Don't make it happen again."
As Xander said this, he got up from the table and walked straight out of the dining hall, not wanting to spend another second in that humiliating place
...
Hours later Lucius walked into his room with a book in his hand and breathed a sigh.
Today was interesting to say the least.
He had beaten up Xander but he wasn't the least bit proud.
If Xander had more experience or had been fighting with full power, Lucius would have been easily crushed.