This map is the third and final entry in Eternal's 2x2 series, following the previous month's Eclipse and Nightomb. Once again, it features only two textures and two flats used for the entirety of the map, but unlike its predecessors, it is a slaughter map, more in the vein of Eternal's previous maps, Generator of Evil and Belial's Bad Brain.
L'Agonie Finale is a single-level PWAD for Doom II that was released in February 2018. It constitutes the bonus level to wrap up the French 3 heures d'agonie trilogy and is compiled of seven speedmaps designed by prominent contributors to the series: William Huber, Jean Bon (Jambon), Franck Livolant (franckFRAG), Roofi, JC Dorne, Arnaud Florian (Oxyde), and Maxime Bisiaux (Datacore). It uses the music track "Monuments of Treason" by Maxime Tondreau (Psychedelic Eyeball).