"If you will not turn to the Dark Side, then perhaps she will..."

"Never!"

Lukes ignites his lighsaber and begins swinging it over his head, he then leaps above Vader, who swings his lightsaber. Luke lands, tries to hit Vader in the legs, but Vader jumps, and swings the saber behind his back. Luke leaps above Vader, who leaps backwards. Both sabers clash, emitting sparks. Luke pushes Vader back with the Force, sending him flying several feet away. Vader lands safely.

Palpatine goes "Yeah!".

so Luke leaps over there. He swings his saber as Vader just stands there and cuts his hand.

"Gooood, good, your hate has made you powerful..."

"My anger rather than my hate"

"You don't need any anger Luke, I see you're becoming the greatest sith of all"

"Never"