D&D elements, Western fantasy, slow burn.
An accident led me to adopt him when he was still an infant.
Was it pity, or a sense of responsibility?
I planned to kick him out once he could stand on his own. When he was twelve, I told him the truth about what happened back then. I never expected him to set his sights on becoming a dragon slayer and avenging himself.
Good heavens, does he know how hard it is to take on an ancient dragon with legendary abilities? Your master here is only a fourth-circle mage, at least on the surface!
"But this is one of the reasons I live, Master. Besides, I have you, don't I?"
Looking at his innocent face, I sighed.
"Fine, I'll go crazy with you this once. Then you'll know to give up."
And so, a silver dragon and a boy determined to become a dragon slayer set out on a new journey...