South Korea's classification website (GRAC) just put up a listing for Fable today, suggesting that the game's release may be just around the corner. The Fable listing on the ratings site displays a "19" classification, indicating that Fable is only for those aged 19 and above.
The Korean ratings board explains why the 19 classification was given. Please note that this is from a translation and may not be 100% accurate:
An immersive open-world action RPG depicting the player's adventure to solve the mystery after townspeople are turned to stone by an unidentified stranger.
- Use of language that directly expresses sexual acts
- Frequent killing, gore, and dismemberment using weapons
- Direct depiction of criminal acts based on the user's choices
- Excessive use of vulgarity and profanity
Games typically don't receive ratings unless they're near completion. Currently, Fable does not have an officially announced release date. There will be an
