 
9 years since Fable 3!
Video in link.
https://www.thenerdmag.com/rumor-fable-4-leaked-with-details-about-gameplay-and-storyline/
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		  | First/Third Person In Depth character creator
 Completely Open
 No guns
 Can ignore the main quest and never become a hero
 Players can build towns, ties into the main quest heavily if you get the bad ending and fail
 Multiplayer
 Made on Unreal Engine
 
 Just like its predecessor, Fable 4 will also be an open world game according to the leak. Information regarding the engine was unknown prior to the leak but people had speculated in the past that the developers may go with UE3.
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Maybe E3 2019 will confirm 
May the NFOrce be with you always.