Knights dagger and sheath

knights' dagger and sheath, I have been very busy this past month teaching myself a CAD program to take my designs to the next level and try and make new things that I wouldn't have tried yet. Being able to be precise and down to the exact measurements I am having a blast making swords, axes, daggers, armor and helmets and even more things on the way on whatever my imagination can come up with. With making my knight helmets I couldn't just stop there I need to fill out that character in my head so with this I gave him the last thing he remembers from home the noble dagger his brother gave him before he sat off on his adventure, he would never come back from or so it seems! One of his last lines of defense he keeps this on his hip to guard himself at all costs. While his armor is holding on its last leg this dagger still holds on perfect as the day it was given to him by the looks of it, it is a simple dagger nothing fancy just a normal looking blade. Is there magic there that he does n