Dante's Divine Comedy moves from Inferno's vivid sinners to arduous purification in Purgatorio and transcendent ascent through Paradiso culminating in trasumanar.
Dante's Inferno Sequel Would Have Taken Its Hero Through A War In Purgatory
Dante's Inferno 2: Purgatorio would have had Dante ascend Mount Purgatory, purge Seven Deadly Sins, fight archangels, and end with Lucifer tricking and killing him.