[8] The fifth and final part talks about how the band picked the songs that appeared on the album, mainly "Hell Don't Need Me" and "Gasoline".

On October 30, 2015, Demon Hunter released a digital deluxe edition of Extremist via Solid State Records.

At CCM Magazine, Matt Conner rated the album four stars out of five, stating that the release "is a driving, diverse set" and their record label "should have a major hit here.

"[13] James Christopher Monger of AllMusic rated the album three-and-a-half stars, writing that "Extremist may be a tad too bold of a title, but it's still another strong entry into the Demon Hunter discography.

"[19] Tim Dodderidge of Substream Magazine rated the album four stars out of five, saying that with the release the band have "revitalized their identity.

"[20] At Indie Vision Music, Lee Brown rated the album a perfect five stars, remarking that how the release "marks that spectacular explosion back onto a scene that the band has long since claimed rulership over.

"[15] Mind Equals Blown's Jeremy Vane-Tempest rated the album an eight out of ten, saying that the release is simply "sublime.