Power of Darkness is a demonstration album by the music production group Two Steps from Hell, originally released exclusively to clients in the motion picture and advertising industry for the purpose of licensing in March 2010.

[2] The album was recorded in Prague, Czech Republic (by Capellen Orchestra), in Los Angeles, and in Utah, United States.

[5] In 2017, the album was finally released to the public, albeit modified to consist of only tracks which had still not yet been made commercially available and under the title of Power of Darkness Anthology.

[6] The main versions of "The Soul That Must Awaken" and "Ghost Brigades" were omitted from the release as the group were "just not happy" with them, opting to including their alternatives instead.

However, the re-release of the album as Power of Darkness Anthology in 2017 was a public offering and did chart as follows: Two Steps From Hell's music has been featured frequently in trailers and commercials.