What is the conclusion of Heart of Darkness?

In the conclusion of "Heart of Darkness," Marlow returns to Europe after his harrowing journey into the African Congo, where he encounters the enigmatic Kurtz. Despite Kurtz's eloquence and vision, Marlow realizes the darkness within humanity and the hypocrisy of civilization. The novella ends on a somber note as Marlow grApples with the moral ambiguity of his experiences and the disillusionment of confronting the true nature of colonialism and human depravity. He ultimately lies to Kurtz's fiancée about his last Words, choosing to preserve her idealized image of Kurtz rather than reveal the grim reality.