There will be at least two different beers released by Surly Brewing Co. in the months leading up to Darkness Day on Oct. 21.

The Embrace The Darkness campaign will start the week of Sept. 25 with the release of Furious Black, a black IPA brewed with Ahtanum, Amarillo, Cascade, Simcoe and warrior hops. The black IPA debuted as a draft-only release during Darkness Day 2015 and uses the Minneapolis, Minn.-based brewery’s year-round Surly IPA (6.6 percent ABV) as its base but adds roasted barley, which gives the beer its dark look.

In addition, the week of Oct. 6 will bring the release of Damien, a 5 percent ABV dry-hopped black ale that is brewed with “the remains” of the brewery’s Darkness (11.5 percent ABV), a Russian imperial stout brewed with pale ale, golden promise, crystal, dark crystal, oats, black, chocolate, and roast malts, as well as Amarillo, Columbus, and Simcoe hops. The black ale was first released by the Minneapolis, Minn.-based brewery as a draft-only option in 2011, and debuted in bottles in Oct. 2016.

Finally, the Embrace The Darkness campaign will conclude on Oct. 21 with the release of Darkness 2017, Surly’s 11.5 percent ABV Russian imperial stout brewed with pale ale, golden promise, crystal, dark crystal, oats, black, chocolate, and roast malts, as well as Amarillo, Columbus, and Simcoe hops. The series started in 2007 and has featured a different monster on the bottle every year since it was first released. This year’s monster from artist artist Adam Sward will be Baba Yaga, “a fearsome, forest-dwelling witch with a hooked nose and iron teeth, capable of casting a spell that makes this beer irresistible to all who taste it”, according to Surly.

In an email, Tiffany Jackson, pr and communications manager for Surly, told Tenemu that all three beers will be packaged in 750ml bottles and will “be available in select markets” after their respective releases.