Dragon Ball Kai: (dub) Episode 45

But it was too late. The purple energy sliced through the tyrant's torso, silenced his scream, and left him crumpled in the dirt, a broken king of nothing.

Frieza panicked. He summoned another disc, then another. He commanded them to track Goku, the glowing blades looping through the air in chaotic arcs. Goku didn't dodge this time. He leaped, twisting in mid-air, leading the blades in a deadly dance. Dragon Ball Kai (Dub) Episode 45

Goku struggles with his newfound rage while trying to maintain his mercy. But it was too late

The sky over Namek was no longer green; it was a bruised, swirling purple, choked by the black smoke of a dying world. Frieza stood amidst the lightning, his body bulked into his Final Form, breathing heavily. Across from him, bathed in a flickering, golden aura that defied the darkness, stood the legend he had feared most. He summoned another disc, then another

"You're fighting a ghost, Frieza," Goku stated, beginning a slow, heavy walk toward the tyrant. "The ghost of every Saiyan you slaughtered. The ghost of Krillin."

As Goku landed, Frieza lunged forward, but his footing betrayed him. The very ground he stood on collapsed into a pit of lava. In that moment of imbalance, the tracking discs Frieza had created returned to their master.