He beat the so call fairy-tale ninja and the greatest water user ever
And he took temporarily took out his genius student whom also is the strongest Sannin
So what Hashirama and Tobirama didnt have there free will, they were turned into killing machines and tried to kill Hiruzen on multiple Occasions
And if they did have there emotions and what not, that would only hinder them from attacking there prize student
And it was never said because they didnt have there Will that it would weaken them in anyway
And besides Hiruzen was old, so the odds were against him
Hiruzen Sarutobi has proven to be the strongest Hokage ever
And he took temporarily took out his genius student whom also is the strongest Sannin
So what Hashirama and Tobirama didnt have there free will, they were turned into killing machines and tried to kill Hiruzen on multiple Occasions
And if they did have there emotions and what not, that would only hinder them from attacking there prize student
And it was never said because they didnt have there Will that it would weaken them in anyway
And besides Hiruzen was old, so the odds were against him
Hiruzen Sarutobi has proven to be the strongest Hokage ever