Item Description Agalloch – The Serpent & The Sphere (CD Digipak w/ Die-Cut Ouroboros Slipcase - Eisenwald) Up for sale is the official European CD edition of Agalloch's fifth and final full-length album, The Serpent & The Sphere, released in 2014 via Eisenwald Tonschmiede. This collectible edition comes in an intricate die-cut outer slipcase featuring the iconic embossed/cut-out ouroboros serpent design that reveals the inner artwork beneath. A masterpiece of atmospheric dark metal, folk rock, and ambient soundscapes.