What is the ninth gate ending explained?

The ending of the film "The Ninth Gate" is known for being ambiguous and open to interpretation. The protagonist, Dean Corso, successfully acquires all three copies of a rare and supposedly cursed book, "The Nine Gates of the Kingdom of Shadows," which is said to hold the key to summoning the devil.

At the climax of the film, Corso is able to use the books to unlock the true power of the book and summon the devil, who appears in the form of a beautiful woman. However, the devil offers Corso a deal: if he sacrifices himself, he will gain eternal life and power. Corso ultimately rejects the offer and burns the book, causing the devil to disappear.

Some interpretations of the ending suggest that Corso has achieved redemption by resisting the temptation of power and choosing to destroy the book, while others believe that he may have been more interested in self-preservation than moral rectitude.

Overall, the ending of "The Ninth Gate" is intentionally enigmatic, leaving viewers to draw their own conclusions about the fate of the protagonist and the true nature of the supernatural forces at play in the story.