Toward morning all these dreams melted and merged into the chaos and darkness of unconciousness and oblivion which in the opinion of Napoleon’s doctor, Larrey, was much more likely to end in death than in convalescence.
For him it was no new conviction that his presence in any part of the world, from Africa to the steppes of Muscovy alike, was enough to dumfound people and impel them to insane self-oblivion.
There are no more uses of "oblivion" in the book.
Show samples from other sources
And if he kept his eye peeled quickly he would see himself, an instant before oblivion,
Ray Bradbury -- Fahrenheit 451
The ache inside Thomas was deep and gnawing, and he tried to sink further into oblivion.