Introduction of quick brush method
First of all, you can try to fight a bunch of swamp raptors (water beasts) on the other side of the sacred imperial plain. They are shaking badly before the attack.
Or go to steam's creative workshop to find mod to practice sword;
The function of this mod is to add all kinds of harmless weapons;
You can catch an enemy, give him a training weapon and practice fighting with you;
So unless the enemy is hungry;
Otherwise, you can practice with him for a long time with food and not be afraid of getting hurt.