Emperor's Edge is a stronger variation of the Death Wave technique used by Golden Frieza in Dragon Ball: Xenoverse.
Overview
The user fires a fiery gold and red slashing energy wave at the opponent. As soon as it hits the opponent, a large explosion in the shape of a blade appears, knocking away the opponent.
Golden Frieza uses Emperor's Edge twice during his battle with Goku. While fighting Super Saiyan God SS Goku atop a mountain, he fires the attack at him, despite not being a direct hit, The incredible power put out by Golden Frieza's attack knocks back and injures Goku. When Goku drops back into his Saiyan beyond God form and the other Z Fighters attempt to help him against the tyrant, Golden Frieza uses his Emperor's Edge again in order to stop them from getting any closer.
Appearances in games
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Frieza's Race Future Warrior attacking SSGSS Vegeta with Emperor's Edge in Dragon Ball: Xenoverse
Emperor's Edge was named in Dragon Ball: Xenoverse where it appears as as one of Golden Frieza's Super Skills as part of the Resurrection ‘F’ Pack DLC. It can also be obtained by the Future Warrior as a reward in Resurrection ‘F’ DLC Parallel Quest Event: "Frieza's Siege Against Earth!".
When Golden Frieza is summoned as an assist in Dragon Ball Z: Super Extreme Butōden he fires this attack at the opponent.