Enderal fans have converted the celebrated mod for Skyrim Special Edition. It's live now on NexusMods.
A standalone Steam release is set for March 2021.
Enderal: Forgotten Stories is perhaps the best Skyrim total conversion mod around (check out our Enderal impressions from 2016 here). It's set in its own world with its own landscape, lore and story, with overhauled skill systems and mechanics, and "a dark, psychological storyline with believable characters". Enderal proved so popular it got a Steam page and a DLC expansion pack of its own. The trailer is below: