When the wizard can bypass durability yes. Dorf is only mortally wounded twice. Once by the sages to which he survives and the other time by Link to which he dies.
Oh look, you've stumbled across something.
A sword through the chest from the sages does nothing to Ganondorf. But when Link does it, Ganondorf is put down. (Not killed.) Why? Because The Master Sword, a planetary level artifact, can overcome the ToP. Voldemort cannot.