Game of Thrones: The Dangerous Traveler (MULTIVERSAL)
Lyn Corbray was a dangerous man. So sang the Seven Kingdoms, from the wolves of the North to the serpents of the South. Extremely skilled in combat, narcissistic, cruel and lustful.
What few knew, however, was his talent as a Warg and Greenseer.
What happens when this man meets Cirilla Fiona Elen Riannon as she flees from the Wild Hunt, and is forced to accompany her on her journey through the multiverse?
WARNINGS
Warning 1 VILLAIN: Lyn is a villain, a bad guy. He has no moral boundaries whatsoever, although he can become fond of his loved ones. This doesn't mean that Lyn is going to travel the multiverse without purpose while he genocides everyone, but he is a cruel guy, albeit a funny one.
Warning 2 NO HAREM: It's not a Harem story, but Lyn often thinks with his head down, and at some point he may have some polyamorous relationship with more women, although I don't intend to try to sell it as true love, but rather as a manipulative man who takes advantage of insecure women. Or maybe women who just want to fuck Lyn.
Warning 3 NO NTR: No NTR, or anything like that. If he has a thing with some woman in a world and then leaves it without her, you don't have to be a genius to guess that the woman is going to get her life back together, but there's no need to capture it in the story. Now, Lyn is a bad guy, so I don't see how he could care that a woman has a partner, but it's not something that's going to be the focus of the story at any point.
Warning 4 +18 SCENES: I personally don't like writing +18, it seems a bit odd to me. However, readers tend to like it a lot, so there will be one or the other. Sometimes I'll just mention it, without being graphic.
Warning 5 CIRI VERSION: In my opinion, Ciri is too good to be a love interest and a partner for the end of the story for Lyn, despite being the female protagonist. Maybe they have something but I don't think it will go anywhere, they are too different. Likewise, if she's not Lyn's partner then I won't bother developing a different love interest for her.
SPOILERS ABOUT THE WORLD LYN WILL TRAVEL
The initial idea is ASOIAF - The Walking Dead - Uncharted - Jojos - ASOIAF again, because the first part is short and focuses on the Harrenhal Tournament period. The idea is that the return is the beginning of the plot.
After that, some events will happen that will make Lyn leave ASOIAF again. I'm not clear which worlds she will go to, but the last one will probably be DC/Marvel, going through One Piece and Star Wars in between.