Utterlost was a scarred world (PROSE: "The Spiral Politic" [+]Part of The Book of the War, Lawrence Miles, et al., Faction Paradox novels (Mad Norwegian Press, 2002).) which was the site of one of the Thousand-Year Battles of the War in Heaven. (PROSE: "The Thousand-Year Battles" [+]Part of The Book of the War, Lawrence Miles, et al., Faction Paradox novels (Mad Norwegian Press, 2002).)
The most re-fought temporal conflict occurred there, to the point that no one knew whose colony it was originally. Unapproachable by normal means, attempts were made to expand the battle using zero time without success. (PROSE: "Utterlost" [+]Part of The Book of the War, Lawrence Miles, et al., Faction Paradox novels (Mad Norwegian Press, 2002).) Kaiwar and Mohandassa were considered possible side-effects of the fighting on Utterlost. (PROSE: "The Thousand-Year Battles" [+]Part of The Book of the War, Lawrence Miles, et al., Faction Paradox novels (Mad Norwegian Press, 2002).)
Robert Scarratt claimed to have briefly penetrated Utterlost's biosphere. (PROSE: "Robert Scarratt" [+]Part of The Book of the War, Lawrence Miles, et al., Faction Paradox novels (Mad Norwegian Press, 2002).)
The Utterlost Accords were a series of negotiations between the Great Houses and the enemy. (PROSE: "Briefing B" [+]Part of Pre-narrative Briefings, Simon Bucher-Jones, The Book of the Enemy (Faction Paradox, Obverse Books, 2018).)