Kars (Base) resist fate manipulation not time manipulation as shown in his profile.
We're not using Base Kars dude, we're using MIHUR Kars, who by that point in the novel has a **** ton of resistances, including of some time variety, and you seem to misunderstand, I'm saying even
if Kars gets reset, the progress towards adapting stays, as that literally happened with BTD, even if Kars no longer remembers it.
Resistance to: Radiation Manipulation, Extreme Cold, Explosion Manipulation, Fate Manipulation (Killer Queen's primary and third bomb did not affect Kars whatsoever, no matter the intensity of the explosion. Kars's fated outcome also never occurred),
Yeah, that's what he has by himself without any aid pre-adaption at that point in time, though he's missing a few from his canon version due to a few recent CRT's, nothing major though.
Kars does have a lot of opportunities to curbstomp the fluffyboy with his haxes but Asriel would most likely use true reset which negs Kars conventional acausality type 1 when he realizes Kars can copy the the normal load and reset.
Which does absolutely nothing long term because Kars would still adapt to it even if he loses his memory of the event in question as shown with BTD. Furthermore, you're acting like Asriel would ever get the chance to do that. in no situation is a true reset being used here, because by the time Asriel realizes that's worth using, he'd have been incaped to hell and back and Kars would already be aware of it due to stopping time and reading his memories and abilities.
Also, when Kars copies an ability, it tends to be greater than the original, it's the ability at its highest caliber, if Kars copies the ability to save and load and reset, he's gaining an "Ultimate" variant of it, and if The World Ultimate is anything to go on, his versions are beyond the original to the point where if the person he copied has an innate resistance to the ability in question, it becomes moot (For example. Dio can stop time, and he can see, think and the like in time stop, and even move in it if he uses his own, but when Kars copied his ability and evolved it, when Kars stopped time, Dio couldn't see, think, or anything of the sort, he wasn't even aware it happened, almost as if he was a normal person facing his time stop). But let's say that Asriel would still have his res to Resets, Kars would still gain an evolved variant at its maximum potential beyond what's standard for it. And this is
definitely within the realm of abilities he can copy given he has shit like MIHUR and D4CU.
But this depends on which key are we using for this Kar of course. Anything from The World Ultimate onwards would get Asriel in an "I'm F***ed" situation. Also known as a stomp.
Kars doesn't actually have "keys" in the normal sense, his Stands and what they grant him are in keys, but that's for the sake of organization and ease of reading due to having so many, but Kars has them all simultaneously, MIHUR Kars has every single Stand at once. (As MIHUR is end of novel for the most part).
The only way Kars wouldn't have certain Stands if a version of him at a certain point in the novel was used where he hadn't manifested said ability yet, for example, early novel he has no Stands and is lacking a few abilities, he soon gains Das Boot and then Whitesnake almost immediately after (And Dune, though he doesn't use it till later, a bit before The World), stuff happens, he eventually copies The World, then immediately after D4C, C-Moon and MIHUR and then steals Killer Queen, in that order, but something like that would need to be specified by OP, who already specified MIHUR.
tldr, Kars doesn't have keys in which does or doesn't have certain abilities, his profile is for him at the end of the novel where he has everything and the "keys" he does have are just to separate the Stands from himself so it doesn't look like "
Country level+ (Can harm
Dio Brando with his punches),
Country level+ with Das Boot Ultimate (Its missiles could easily destroy Kars' and Dio's body),
Varies with Dune Ultimate (Its power depends on the sand amount in Kars' range), at least
Large Building level with The World Ultimate (Comparable to if not above the
original The World),
Building level+ with Killer Queen and Bites the Dust (Is the
same Stand from the J-Universe), at least
Building level+ with D4C Ultimate (Should be comparable to if not superior to
the original Stand from the J-Universe),
Country level+ with Whitesnake Ultimate (
Damaged Dio),
Unknown with C-Moon Ultimate (Comparable to if not above the
original C-Moon),
Universe level+ with Made in Heaven Ultimate Requiem (MIHUR makes time accelerate to infinity, which then follows to the end and rebirth of the universe).
In a single key (same goes for speed, durability, LS, and abilities and resistances, it'd look messy as ****).
So as I said above, Asriel needs to whip out pure raw AP and try to instantly kill both Kars (And D4C before it dimension hops), before Kars himself stops time or does something that'd hax Asriel (if not both, at the same time) reset or not (Because Kars has ways to make it so he can't reset or a way to get around it entirely).
AP or bust basically, save and loading is negligible, especially if used any times above once.
