32 
3 
Download MP3 
Spear of Justice was composed by Toby Fox for Undertale, released in 2015, and plays during the battle against Undyne the Undying on the game's Genocide route. Fans first shared the track through gameplay videos and soundtrack uploads, and it later became a shorthand for determination and final confrontations in edits, animations, and gaming montages. Its connection to one of Undertale's hardest fights keeps it popular with players who want instant recognition and emotional weight without needing any dialogue.
About this sound
The dramatic orchestral theme from Undertale's Undyne the Undying boss fight, used by creators for epic, heroic, and last-stand moments in videos.
Spear of Justice is a fast, driving orchestral track from Undertale built around pounding drums, urgent strings, and a soaring brass melody that feels like a battle reaching its breaking point. The rhythm never lets up, so every hit lands with a sense of pressure and determination, while the rising melody gives the moment a heroic, almost defiant edge. Hearing it instantly signals that a character is not backing down, which is why it works so well for comebacks, boss fights, and high-stakes showdowns. It turns an ordinary clip into a climax, making the viewer expect something bold, desperate, or triumphant to happen next.
