"What Drives the Weak" is the second single by Shadows Fall from their album The War Within.

[1] The song was nominated for a Grammy Award for Best Metal Performance at the 48th Annual Grammy Awards, but lost to "Before I Forget" by Slipknot.

[2][3] The song's music video was directed by Zach Merck.

[4] The video shows the band performing the song in a house inhabited by bikers.

The video is inter-cut with shots of vocalist Brian Fair wandering around the house and encountering weird happenings while the other members interact with the bikers.