Of course, he doesn't fit within the vanilla heroes' framework. And he doesn't need to, because opponents appropriate to his level will be created for him.
According to the conditions, one year of growth, level 40, any artifacts.
I rarely have time to play long games. Duels are very helpful in this regard, as there is no lengthy preparation. You could say: press a button and immediately start the battle.
I plan to create many duel heroes in my build.
For now, I'm thinking about these variations:
3 months, level 20
6 months, level 30
1 year, level 40

All the growth of the Knights went into retraining them into Monks.

