House Targaryen was once endowed with visions, but only this? The members of this house after death will have to serve their patron and master for the gifts that were presented to them. This time he got into the clutches of Jon Snow who was sent to a world beyond the influence of the Lord.

When Artorias wait for his end after being defeated by the Chosen Undead The Stranger presents him a deal, a quest into the lands os Westeros to stop the coming of the long night which will bring the world to an Age of Dark.

The fire fades, summer ends, and the long night approaches. Perhaps it is already here. Voices and screams. Flickers of memory. A task undertaken, and a promise unfulfilled. Even now, only embers remain. And so it is. That ash seeketh embers. (Fusion AU)

Artorias ends up in Westeros after his defeat at the hands of the Chosen Undead. How will the events of ASOIAF change with Artorias the Abysswalker in it?