I think it's important for people who prefer the more "realistic" approach to fighting to remember one simple rule.
Most fights are about luck. Unless you are in a controlled environment with an emphasis on providing both combatants a way to prove their "skill" the vast majority of fights come down to a lucky hit.
There are always factors that come into play that can dramatically skew the luck to one side, but an actual fight is nothing like one portrayed in media.
If you're seeking to balance your "master fighter" character appropriately in accordance to the "realistic" rules, the luck factor is absolutely important to keep in mind! Especially when doing a more freeform combat style.
Most fights are about luck. Unless you are in a controlled environment with an emphasis on providing both combatants a way to prove their "skill" the vast majority of fights come down to a lucky hit.
There are always factors that come into play that can dramatically skew the luck to one side, but an actual fight is nothing like one portrayed in media.
If you're seeking to balance your "master fighter" character appropriately in accordance to the "realistic" rules, the luck factor is absolutely important to keep in mind! Especially when doing a more freeform combat style.