Jean Pierre Polnareff
I can think of several ways this could go but my irrationality and his have a large overlap to the point where if I lost all knowledge of Jojo past when I show up I’d make nearly the same choices.
A few possibilities:
If I become him pre-DIO flesh bud then I’d take a u-turn on the search for J. Geil (the man with two right hands that killed his sister) while avoiding the vampire with all my night. Assuming I manage to avoid him I’d waffle between seeking out the Stardust Crusaders to respect Polnareff’s will to avenge Sherry or just staying in anonymity but before I can truly decide the “gravity” of fate that draws those with Stands to each other would end up getting me involved with this conflict or another.
If I wake up with DIO’s flesh bud in me then I’d act much less polished than Polnareff did but it wouldn’t really change much up to this point. Less different than I thought actually.
Now I’m just going to list notable things I’d do differently:
To not show the fact I have outside knowledge for several reasons I’ll try to be subtle about mysteries surrounding enemy Stands so on the ship I’d say that without getting any verification besides word of mouth that these Speedwagon employees are legit we can’t know for sure if someone took their place. That would hopefully accelerate the reveal of Dark Blue Moon so there’s a lot less risk.
Against Strength I would change nothing because I know Forever is cowardly enough that Jotaro would be fine.
Against Ebony Devil (who I doubt I could beat the same way he was in canon) I’ll make it look like I got the others to come help after noticing Devo’s hiding but really I’ll do it right when I get into the room.
When Hanged Man shows up in the mirror I’ll tell the others that I’m going after this obvious trap and that they should keep watch for those two. When I see Hol Horse I’ll bluff and make it look like I just bolted there with no help and make the same decisions in that fight Polnareff did while relying on my allies to give even more help than in canon. Also I can make up reasons for figuring out the Hanged Man’s secret to win and give Polnareff the vengeance he deserved. Geil (and presumably Enya) might dislike getting…
a few more wounds than in canon due to me having less faith in the justice of the afterlife. As I said before I’d owe it to my host to take his pain as my own and react accordingly.
I really have no idea how to explain how I’d deal with the Empress because by this point I wouldn’t seen like the pervert(?) that Polnareff is because, well, I’m not. Therefore I don’t know how the Empress would plan and I’d have to improvise. Considering how weak she is though (the weakest Stardust Crusader was able to defeat her in a situation that plays to her strengths) I don’t feel like I should worry.
I also have (almost) no idea what I’d do against Wheel of Fortune, albeit for completely different reasons. I’d definitely use better tactics to figure out that the people in the bar aren’t ZZ like figuring out what care they
do drive along with testimony besides “it’s not me!” but I don’t know anything else I’d do because if the matchup being one that allows for less planning.
Against Enya I’d act with much less stupidity so Jotaro can get her to reveal herself earlier. Not much else to say besides nor having to lick a certain something. Hop Horse would probably see our success and go the other direction.
This is definitely the one that I know I’d be powerless to help guide better. I’d have no choice but to follow Joseph and Kakyoin’s plan while trying not to think about messing up or how ridiculous Steely Dan is being with Jotaro.
The Sun will be pain on many levels but I’d be powerless on a more literal scale than ever before.
Against Death 13 I’d try to leave evidence of the dream with stabs like a certain someone both to inform me of changes and to try to make it less precarious. It went well in canon but if I tried to mimic it here I’m positive we’d all die.
By this point the presumed changes are enough that I’d be unable to anticipate how Judgement and High Priestess will act.
Iggy and Geb wouldn’t really go all that differently despite my best efforts.
Thoth still beats its users due to them not being able to pass its trials.
After beating Chaka as in canon I’d just act like I don’t care about the sword and assuming someone else picks it up me seeing the same distinctive sword later should be enough to convince the party it should be destroyed.
Alessi… I’m not sure how me getting hit with his stand would work so I’d need to get Jotaro to know I’m fighting him for me to be confident I’d win. It could revert me to kid Polnareff like canon (reduced to him before I “became” him), revert me to being kid me as kid Polnareff with Silver Chariot, or revert me to being kid me as kid Polnareff with no Stand. Don’t want to think about how this could go wrong TBH.
Besides not foolishly accepting a bet from someone who would logically be DIO’s minion while saying “I wager my soul” I have no idea what I’d do. I’m not a good gambler.
Skipping Hol Horse and beggar because of unpredictability.
Against Vanilla Ice I’d probably just die. Like, with my knowledge I think the best I could do is reverse who’d die from canon or let things go the way they did. I’d have Silver Chariot push Avdol out of the way when I see the place he was and that’d leave me with enough body mass in the void that I’d either die or end up with
much more prosthetics than Polnareff had after fighting Diavolo. At this point I believe that because Polnareff was of negative help against DIO I wouldn’t be able to predict a good move as well as anyone else so I’d be fine with losing an arm and a leg if it means I don’t have to risk being in Za Wardo’s way. If it’s the first category from the start I wouldn’t lose face with the group or from beyond the 4th wall.
I wonder how the arrow stuff would go? IDK.
