Enderal is a total conversion mod made for Skyrim and it changes many things including levelling up (with XP and regular levels), crafting, magic (potions and magic use increase your fever and you need special potions to lower it) and it introduces an original setting with a totally different questline so there is no silly talk about Dragonborn here.
I've played a little and I get a Risen vibe out of this which is certainly a good thing.
My first impression is favourable. The prologue feels a bit restrictive but once it opens up a little things get more interesting.
If you're sick of the Dragonborn nonsense but feel like playing some Skyrim and don't mind a twist then I think you're in for a treat:
http://sureai.net/games/enderal/?lang=en
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"Growing old is inevitable but growing up is optional."