no that is not my only argument, he also has great suiton jutsus u must be forgetting his giant vortex jutsu. also, zabuza is a very smart fighter, yes he can be arrogant at times but he outsmarted kakashi at their first battle with his water clones and got him in his water prison jutsu. Also u must of forgotten that Kisame corrected himself and said that suigetsu wasnt proficient with the sword. Zabuza is also very skilled in kenjutsu, he was in the Seven Swordsman of the Mist and it is noted the time he was in the Seven Swordsman it was the greatest generation of swordsman. Even though if the hidden mist jutsu is a D-rank technique, he combines it with his silent killing making it an A-rank technique (it is very hard fighting an enemy u cant see while the enemy can sight u out with sound alone). u gotta rethink this battle hard dude