How about a concept for Rose Tyler aka Bad Wolf where rather than being that the Bad Wolf causing Rose Tyler to not age(eternally youthfullness) or have a extremely slow aging immortal/near immortal. It causes Rose Tyler to be a sort of interesting hybrid being between a immortal and a mortal. Where Rose Tyler has a infinite number of regenerations just with on difference those regenerations have human rate of aging with human lifespans rather than Time Lord rate of aging and Time Lord lifespans for regenerations or even near ascended alteran/ancient(stargate sg1) rate of aging and lifespan. So that Rose Tyler can travel with the Doctor for all eternity long after the Metcrisis Doctor is long dead from extreme old age and yet while visiting the various alternative time periods of extraterrestrial/exteradimensional and earth based human history. And yet not necessarily cause any confusion/jealousy/suspicion among those who they visit since she would be able to visit with a ever older looking appearance/body/face from her original appearance/body/face and and then regenerate with a entirely new appearance/body/face and the process starts all over again and yet still be able to gather and retain newer and newer memories of each and every experience as she regenerates over and over again. And the Metacrisis Doctor could try to figure out how to tweak his own DNA/TNA in order to have the same ability as Rose Tyler. That is the sort of ability that could actually theoretically derive from a mixture of based/primary human DNA with following/secondary Time Lord and TARDIS TNA. Wouldn't that actually create a more interesting possible alternate Doctor Who Storyline. Longevity Lifestyle science would only be used to lengthen the lifespan of single a human lifespan long regeneration of this new type of regeneration process. Which has many advantages when living among humans and time traveling through out the various alternative time lines of alternative human/earth history. The same could be Done for Donna Noble and Clara Oswald. I had made this suggestion because despite the thoughts of those who want to find the cure for the aging process through genetics in fact removing the aging process/biological aspect of the Second law of Thermodynamics(otherwords biological degeneration) from the human DNA is just removing one of the core attributes of what makes a human a human being besides the emotional aspect. Since for human beings the aging process is directly linked to the human growth of knowledge and wisdom through time and experience. Because even if from passage of time the outer appearance beauty may decay/wane the aging aspect may help the inner beauty to actually grow due the growth of knowledge and wisdom through time and experience. This process could be a infinite number of life time opportunities to gradually become like a finely aged wine or a finely aged version of another type of alcoholic beverage as what those who drink alcoholic beverages would describe the human aging process. This what I actually view that near immortal species who age slowly may almost miss or basically completely not aging fully immortal(eternally youthful) species could miss out on.

I am really enjoying this story and I realize that you probably already have it finished or close to having it finished however there is quite a few things that I you would enjoy directly adding as a chapter by chapter story edit update or even as a spin-off story series.

wiki/Buffy_the_Vampire_Slayer_(franchise)

wiki/Omniverse

wiki/Omniverse

wiki/Multiverse

wiki/Multiverse/Universe_Listing

wiki/List_of_DC_Multiverse_worlds

wiki/Multiverse_(DC_Comics)

wiki/List_of_DC_Multiverse_worlds

wiki/Category:Multiverse

wiki/Werewolf

wiki/Category:Marvel_Comics_vampires

wiki/Inheritors_(comics)

wiki/Vampire_(Marvel_Comics)

wiki/Vampire

wiki/Last_Great_Time_War

wiki/Multiverse

wiki/Multiverse

wiki/Multiverse

wiki/The_Doctor_(Earth-5556)

wiki/Multiverse

wiki/Intercompany_Crossovers

wiki/Intercompany_crossover

profile/rubicon/lists/marvel-intercompany-crossovers/56517/

wiki/Thread:1002804?useskinoasis

wiki/Vampires

wiki/Vampire

wiki/Werewolf

wiki/Category:Marvel_Comics_vampires

wiki/Inheritors_(comics)

wiki/Vampires

Now Buffy the Vampire slayer can definitely have vampire hunting/slaying fun and your fanfiction version of the updated quantum mears can be said to have the ability to reach universes/realities/timelines that the regular quantum mears wouldn't be able to reach. And oh yeah there is also these to include into this story series:

Stargate-Origins-Catherine-Ellie-Gall/dp/B07NSVJTD7

wiki/List_of_Stargate_literature

wiki/Stargate_literature

books/

slp/stargate-books/rpy4bq8n3ofn372

hubs/v/the-avengers

wiki/Hypertime

wiki/Secret_Wars

wiki/Secret_Wars_(2015_comic_book)

comics/events/270/secret_wars

wiki/Crisis_on_Infinite_Earths

wiki/Time_war

wiki/Last_Great_Time_War

hubs/v/doctor-who

hubs/v/doctor-whothe-new-serie

Fantastic story.

Ever time some villain mounts a unbeatable shield on a buildings roof everyone just gets dumb. Take out the roof and the unbeatable shield is useless.

Love this story and can't wait to read more

Is there going to be a lot of swinging between 'couples' in this story? It seems kind of odd to me that Xander is the only one doing the 'sharing' so to speak. I get that they are all virtually immortal at this point and are simply spicing things up but Xander's concept of relationships and fidelity seems to be a little warped or at least a notion brought about by a true lack of understanding.

Okay... what about Buffy?

Will Dawn and the Phoenix become friends?

Yeah, not one of his best ideas.

Plus the fact they are alied with the Asgardians will make the Kree think twice about invanding.

I am loving this.

Chapter 76 is the same as 75.

It's great to see an update.
Keep up the great work!
Mayhem
folfav

They are gods walking among men.

Well, Xander team are technical gods with a minor G after Dawn upgraded most of them.

The Cheese Man is just a Herring.