Marvin didn't know what Professor said in the letter.
But in any case, he still was very grateful to the Copper Dragon. The hermit Kangen would very rarely teach his Blade Techniques to others.
In the game, you needed to do a lot of complicated quests in order to be able to have the right to study a Blade Technique Style.
Advancing down the Martial Path was the same as mastering skills in the sense that it was also a path that required training. It was just that the requirements were even more demanding, so it wasn't widespread.
Marvin really needed an entire set of Blade Techniques to fuse with all his moves and skills.
The Copper Dragon was incomparably wise. He had lived for who knew how many years and had seen a lot of people like Marvin, so he knew that Kangen could find a way to settle Marvin's issues.
And this [Desperation] Blade Technique Style was chosen by Grandmaster Kangen for Marvin, who only knew how to kill.
