After over than twenty years, we remind dark origins of Polish underground legend - Pandemonium. This time into CD was pressed a brilliant demo "Devilri" in 1992 which spread on tape version near twenty thousand copies according of official data! In addition this re-edition is enrich with rehearsal / promo in 1990. These four songs from rehearsal are the first official material which horde released on cassette. This compact edition is closed by concert from S'Thrash'ydlo festival in 1991 summarizing these far away, primitive, uncompromising times of Polish metal underground. The richly illustrated booklet contains numerous press clippings: interviews, reviews, descriptions, flyers, concerts posters. CD released in a standard slipcase. All copies are hand numbered. Graphic design and composition - Perversor. "Devilri - Extended Edition" is a remarkable document showing unquestioned greatness of Polish Underground!