I tried, based on everything up to and including the Homestuck Epilogues, to come up with an internally consistent framework for Time Travel & Retcons in the Homestuck universe.
It can probably still have some very large holes, though.
The Homestuck rules of Time Travel
Time travel is possible except across the canon event horizon
Communication across time lines is possible
Spacetime travel is not possible (no simultaneous time travel and teleporting)
Breaking time loops dooms your existence and timeline. This may include not time traveling when the time jump is the subject of an important Choice.
Closing time loops validates your existence and target timeline if they werenāt doomed. (Schrƶdinger's Doomed Self)
The Homestuck rules of Retcons
Retcons are possible inside the canon event horizon
Communication across time lines is possible
Communication across the canon boundary is possible
Spacetime travel is possible (simultaneous time travel and teleporting)
Being retconned dooms your existence and timeline. This may include not performing a retcon when the retcon is the subject of an important Choice.
Performing a retcon validates your existence and target timeline if they havenāt yet been retconned by someone else.
By these rules, Meat Earth C was doomed by John when he left, but revalidated when he returned.
By these rules, Candy Earth C was doomed by Johnās decision to stay and not perform a retcon at that time. He still retconned Gamzeeās survival post-Collide, but that doesnāt change the fact he was still doomed himself.
Similarly, all the past Johns which John himself retconned were doomed as well, their potential future adventures not being part of the āalphaā timeline, interesting though they might have been.
Likewise, post-retcon John and Roxy were doomed retroactively by John and Roxy traveling to their timeline from the Game Over timeline.
Candy Earth C crossed the canon event horizon with the death of Dirk.
Alt Calliopeās inter-canon wormhole is neither time travel nor retcons and follows different rules.
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So, is John going to zap to the next plot point now, or will it switch back to Earth C?
I wonder, if it's the latter, whether we might see something from an antagonist, or a less important character, like Jack Noir or GCATavrosprite.
And if the former, I wonder if John will venture further into (a retconned version of) the Game Over timeline, or not?
---
"You arrive in the Land of Heat and Clockwork in a flash of white."
OOOoooh, LOHAC! Will he visit Dave - well, presumably yes. But will he revisit the moment he zapped back to, when he came to ask for help regarding his retcon powers?
... I kind of like Blaperile's idea better, that he revisits the point in time he disrupted before, the conversation between Dave & Jade, but which he afterwards retconned again, sending himself to go find Roxy?
... Wait, it was never really explained where that John that bapped himself on the head came from, I swear, if this is (out-of-comic) retconned as having been this 23-year-old John...
Okay, I might have forgotten if Rx John had already gone back. ... Okay yeah, it already happened. Page 8333 vs 9047 of Homestuck.
Anyway...
Hmm, GO Dave never used the eggsword much in the end (Caledfwlch), as he went after Jade's body and tied to a critical devilbeast combo.
But I don't think John'll take it?
"Through the condensation you can make out the shapes of Dave and Jade below, as well as two more of you hovering in the air above. Both Johns turn to look at you."
PFfffffff, of course he draws his other selves attention. Why would it resolve so cleanly as they zapping away in the background.
Dave had a fit before when he saw one, but now, if he'll acknowledge all three...
"On the ground, Dave is talking in a particular cadence, one that is familiar to you, his longtime best buddy. Casual, wandering, verging on droning. Itās a good indication heāll be monologuing for a while, and probably already has been."
Yeah, GO Dave was summing up all the reasons he didn't particularly want to do anything about LE.
Retconned Dave just thought he should fulfill the prophecy to get it over with, but that's about the end of his commitment in the matter too.
Only Davepetasprite^2 really felt like going up against LE. Will Caledfwlch make it into their hands?
"DAVE: thats what...DAVE: you do...DAVE: with..."
Awesome, he even gets trailed off at exactly the same moment in his monologue. :D
"DAVE: karate. john what the fuck are you doing hereDAVE: or... waitDAVE: actually three johnsDAVE: hey three johns what the fuck are three johns doing here"
Dave is so whatever about this, it's hilarious.
Then again, he's been all around LOHACSE thrice in a single day, he's got some experience in the matter of walking around alt time selves.
Also, I wonder if Dave (and Jade) will notice he's an older version of John.
If not, his god tier powers probably keep him youthful, like Superman.
"Itās a fair question, which logically should have been directed to the oldest and most knowledgeable John. Nevertheless, one of the younger Johns replies first."
Pfff, the second oldest one then? The one that came back here with a semblance of purpose, not randomly zapping through canon?
Plus, if Dave wouldn't notice a difference between the Johns, neither would the younger ones.
"(JOHN 1): er.(JOHN 1): i donāt know."
Ooooh! Cool, not just are they parenthesed, the Johns are now also numbered!
Yeah, we wouldn't want them to just all be named John, that'd be insane and probably what Jade went through with PCG & FCG from her end (aka two ?CG's).
"JOHN 3: john, donāt worry about it. iāll take things from here.DAVE: johns dont get me wrong its cool that you all randomly dropped by again but this wasnt really the best time"
Hah, yeah John, try and get that semblance of knowing what you're doing back, like you acted out on LOPAN against your past selves.
I'm actually interested to see whether he will be as dismissive towards his other selves as back then.
Right, this is the second time Dave saw John, after the time he dropped in when Dave was looking at his old photographs.
"DAVE: we were kind of in the middle of a thing here(JOHN 1): whoops. sorry.(JOHN 2): uh... actually, i only came here to swoop in and zap this john away without being seen, to retcon away the mess i made earlier.(JOHN 2): i didnāt expect to see another john here.
JOHN 3: hey, other john, i said iāll handle it!
JOHN 3: iām the only one who actually knows whatās going on here.DAVE: god damn it johns what the fuck did you do"
John 1 fucked it up, John 2 would've fixed things but then John 3 came back and fucked up some more.
It's like the goddamned Primer movie all over again.
"JOHN 3: young dave, please.
JOHN 3: let me deal with the johns first, then iāll explain.DAVE: young dave???"
Why did that make me think of WV's polite commands. "Sir John" and all that. :P
I think the other Johns will be able to get resolved easily enough, one zapping the other away to bop him in the head, both confused over the mess they left behind.
"DAVE: ohDAVE: yeah why are you a fucking adult now"
OOOOOOh, nice! Okay, even though it'll be all shades of awkward, I really like the age difference isn't getting skimmed over.
"DAVE: did you grow up and start time traveling dude"
Take that, reverse it.
"JADE: will someone tell me what the fuck is happening???????"
Oh right, Grimbark Jade's text colour thingy!
"JOHN 3: johns, thereās no reason for you to hang around anymore.
JOHN 3: not to sound like a wet blanket, but the things youāre trying to accomplish are now useless, so you can just zap away and do whatever you want.(JOHN 1): ummm...(JOHN 2): useless?? wait."
Harsh much, John. Also, just cause they won't/aren't you, they can just go become you, or whatever how you want to put it.
"JOHN 3: ok, maybe i shouldnāt have said that.
JOHN 3: iām sure you can still go and do what i did when i originally did what youāre currently trying to do...DAVE: jesus john"
Dave's inner time logistician is crying.
John's retcon powers are so OP, he doesn't have to take any care in keeping time loops going if he doesn't want to.
But that'd just result in copies of him flying around, so he'd best to just send them on their way, hopefully never to run into them again.
"
JOHN 3: in fact, it will still probably be a very rewarding experience!
JOHN 3: some of my best memories happened right after you do what youāre about to do next."
I was thinking of the meet-up with his friends in general, but yeah, it's probably mostly about meeting Roxy, which is the closest thing to happen to (John 1)'s point in time.
"JOHN 3: the point is, you should just go do it, so that you arenāt here anymore."
Savage.
"JOHN 3: iām here to make sure some new and different important things happen, and those things donāt include you.
JADE: :|(JOHN 1): oh...(JOHN 2): ...ok.
The useless Johns zap away. You sincerely hope that they have a beautiful and fulfilling youth."
... That's not what your mouth ended up conveying there, John. Nor your thoughts, I mean, "useless", dear god man, have some alt self respect. :P
"DAVE: adult john what the fuck have you doneDAVE: is this some time travel shitDAVE: please dont tell me youve been spending the next however many years bungling through time like this because tbh if what i just witnessed was even remotely indicative of shit you get up to on a recurring basis then your future is almost too embarrassing to even think aboutDAVE: and this is coming from a teenager who was just in the middle of an angsty episode"
Self aware Dave tirades are still the best. :D
"JOHN: i used my retcon abilities to travel here from the future, in a manner of speaking.DAVE: sounds fuckin stupidJOHN: it is stupid. but thatās just how things are."
Glad they can agree to agree on that very valid assessment. :P
"JADE: im a little confused
JADE: im supposed to be hunting you down and capturing you... but im not sure if the adult version of you counts?
JADE: i think the condesce might just be... confused if i brought her an adult john?"
Oooh, is this conflicting with her "programming" some how? Doggy Jade is confused, that's actually intruiging that she's given pause.
"JOHN: no, you donāt need to capture me, and you wouldnāt be able to even if you wanted to, since my existence literally transcends the confines of canon.
JADE: well...
JADE: i guess that simplifies things then?"
John bullshitting his way to victory over people smarter than him, it remains a sight to behold.
"
JADE: in that case, would you mind giving me and dave a few minutes to wrap up our conversation?"
XD Lol, wut????? Hahahah, Paradox Space really can only handle so much derailment to a timeline.
At some point it just throws up it's arms and goes "leave me be, for five minutes, I was busy here!"
"JADE: we were sort of in the middle of something important... i thinkJOHN: no, you really werenāt.JOHN: sorry to be the bearer of lame news, like i just was to the other johns.JOHN: but whatever you were doing doesnāt matter anymore.JOHN: nothing thatās happening here matters at all.JOHN: this session, this whole takeover by the condesce... this isnāt how a universe gets made.
JADE: its not?JOHN: no."
Sorry to break it to ya, but you're in a doomed timeline.
"DAVE: so what nowDAVE: if its all a done deal like preemptively speakingDAVE: can we all just relax or whatJOHN: actually...JOHN: no."
Okay... So, what, can he just recruit these guys off and zap off with them to the next plot point? Won't something have to be done about the grimbarkness first?
Also, if the next plot point is in the same timeline... Game Over really gets derailed. No Jade, no swapping Derse for LOFAF.
"DAVE: fuckJOHN: ah! i just realized why she sent me to this point in time to start recruiting you all.DAVE: whatDAVE: who"
Rose, but not your Rose, although perhaps with the memories of that Rose, so kinda your Rose. :P
Okay, so it's not that Rose's letter gave more detailed instructions than to zap there & recruit.
So John'll have to figure out what to bring besides the people, in some cases at least. Like, here that would be Caledfwlch.
"JOHN: this is the moment just after you made your legendary cue ball sword.JOHN: youāre going to need it.DAVE: for whatJOHN: to come fight lord english with me.
Daveās eyebrows descend beneath his sunglasses. You feel pretty bad because youāre about to completely circumvent the life-changing epiphany heās just had that you know for a fact will make him a happier, chiller, and altogether more well-balanced human being."
:/ Yeah, Dave really was happier cheating his way out of the prophecy.
But then, he could only become so happy if someone else took care of the REAL Lord English for him.
Guess another Dave'll have to bite the dust for "alpha" Dave again.
Then again, epiphany or not, GO Dave might have ended up happy... but then he'd have been a happy ghost, for just as long until LE or the black hole got to him.
Still, man, I'm feeling for the guy. It's one thing to reject the call when it's an abstract prophecy or artefact thrust on you.
But now it's his best friend asking him to join him in a crazy last stand.
That's... actually one of the toughest challenges any Dave has had.
"DAVE: oh shit"
... Best underwhelming response he could have. :D
"JADE: what??
JADE: john. he is NOT going to fight lord english just yet
JADE: he is staying right here
JADE: old ladys orders :PJOHN: actually, yes he is."
I'm sensing a showdown coming, but I wonder how swift John will take care of her, can his mangrist trump First Guardian swiftness?
Oh, yeah, and he could turn into the Breeze too, I recall. Yeah, Jade's gonna bite the dust.
"JOHN: and so are you. we all are."
Oooooh, okay, he wants everyone from the GO timeline to take a swing.
Cool that he's getting his gang back together. Still, the age difference! :P Everyone but Roxy might be a little wary of it. (I'm saying that because at one point Roxy crushed on Jane's Dad.
"JADE: omg
JADE: how dare you?????JOHN: jade, youāre brainwashed.JOHN: sorry. but nothing youāre saying now means anything."
Like, I understand where he's coming from, but dang John, still so brutal.
"JOHN: itās fine though, youāll stop being brainwashed once i zap you outside the influence of the condesce."
Oooh, round trips to blankspace it is? I don't think it'll be to LOWAS, just to "a" point in blankspace they can be "stored" until the gang is assembled.
"JADE: youre not zapping me anywhere!!!!!JOHN: ha ha, yes i am.JOHN: watch this...
> Zap Grimbark Jade outta there."
Has he learned to do a snap to zap her away while staying behind himself?
Like how Jade zapped everyone to LOMAX.
It would be anticlimactic for John's retcon powers to suddenly cease working here.
It would also be very Hussie for that to happen spontaneously. :P
But then again, not likely as he'll use the same power to go to LOCAM (Caliborn's planet).
"You set a hand on Jadeās shoulder and zap her off to a better place. Then you touch down on the concrete surface where the whole pointless confrontation was taking place so that you can talk Dave around whatever it is heās going through right now. Dave, like his ecto-sister, really needs to get in an absurd amount of extraneous words before he can fully process a situation.
The Mayor tips his head at you and fiddles with his sash. God damn, you missed the Mayor."
Ah, okay, that particular conversation we might not see in its entirety? Or maybe we will.
In any case, right, WV was there! Aww, yes we missed him.
But hey, seems like John at least took a little time before they travelled into the future, to get to know WV?
I wonder if he ever found out he was his exile, probably not.
"DAVE: so what do we do nextJOHN: well, iāll leave you to hang out with jade for a bit, while i go round up the others."
Hey, it occurred to me, Dave & Jade could have a chat while they wait, work some things out.
A similar conversation as that GO Dave & Jade presumably had right after their deaths, when they woke up next to each other in the dreambubbles!
"DAVE: what others... likeDAVE: everyoneJOHN: yes. rose, and the other four."
Yeah, this is speeding things up rapidly as far as the meetup between the kids is concerned.
Dave & Dirk might benefit from some alone time out in blankspace together, mirroring their LOTAK conversation.
Also, this means John will be zapping into the outer reaches of the session to retrieve Dirk, hahah.
... I wonder if the glitches from the stardust will be causing any disturbance, probably not anymore since the stardust was blown out of the cartridge, admittedly at a "later" point in the timeline.
Blaperile has a good point, what about Roxy? I'm going to assume that, by the time gets around to breaking her out of jail, John 1 or an equivalent John has already visited her. But I don't remember if they talked about the ring already back then.
I do still think John will be giving her the ring to go revive Calliope, but the exact feelings around the moment will remain to be seen.
"DAVE: i seeDAVE: so...DAVE: sorry if i seem a little slow here im just trying to figure this outDAVE: youre telling me that i made this sword because im destined to defeat lord english and weve all been training for that day our whole lives to some extent more or lessDAVE: and we are actually successful here like we overthrow the condesce and make a universe and everythingDAVE: and thenDAVE: we..."
...
Yeah, this timeline won't spawn a universe, it's already been done, it exists, no point in repeating the whole process.
This session is now void again.
Dave tries to build a timeline in his head that makes sense, but the sad thing is, his future is uncertain.
Though, he might not be sad at all? I mean, not if the future is his to be written, right?
"DAVE: sit on our asses for several years in the new universe and become adults and lead mostly boring lives instead of going off to fight him?"
... Or, does Dave really DO understand what has happened, that he's picking up left over plot behind some other version of him.
"JOHN: yes.DAVE: guess that makes senseDAVE: now that i think about it thats probably what i would want to do by the time we finally wrap up this whole hot messJOHN: yep, it is what you wanted to do.JOHN: and pretty much everyone else agreed, including me. so thatās what we did."
Not sure how conscious the decision was for them at the time, but sure.
"DAVE: which uhDAVE: i guess begs the questionDAVE: if it seemed pointless at the time and nobody could be assed to go fight him when we all had our shit togetherDAVE: why does it suddenly become important to go back and beat him years later after we become a bunch of lazy adults with boring lives"
You'd have to ask Rose but she wouldn't remember in this timeline so the point is kind of mute. :P
"JOHN: i pretty much had the same questions, dave.JOHN: there are probably some pretty good answers to that. definitely some complicated answers.JOHN: but to be honest... i kind of forget what they actually were?DAVE: god damn it john"
Pfffffff. John "it seemed important at the time so here i am" Egbert, everyone.
"JOHN: it has something to do with canon unraveling, and such.JOHN: we all live outside canon in the future, and if we donāt do go do this, everything will stop meaning anything.DAVE: does...DAVE: anything you just said actually mean anything in the first place"
There's a song that comes to mind from Volume 9, "Everything means Something to Somebody".
To Dave, it must be sound like the same level of fortune cookie wisdom.
"JOHN: thatās a great question, dave.JOHN: one that i canāt say iām qualified to answer!JOHN: i think the bottom line here is, this is what rose said we had to do.JOHN: so, thatās why weāre doing it.DAVE: sounds like a bullshit reason if i ever heard oneJOHN: you might be right.JOHN: but is it less of a bullshit reason than any other reason we currently have to go fight him?DAVE: ...DAVE: damnDAVE: youre rightDAVE: i dont know how you did it but you somehow instantly sold me completelyDAVE: fuck you adult egbert"
At some point, the scales will buckle just from the shear heap of bullshit piled on.
"You zap Dave off to where he needs to go. The Mayor is still staring at you, blinking his buggy little eyes. You shoot him a warm smile and a thumbs-up before bouncing off into the ether of infinity."
Awww, actually, leaving WV behind can't be all bad for him.
He can find Serenity in here, PM too.
Condesce might very well leave for the Furthest Ring, and then this session is up for sale to anyone.
And with the royalty down for the count, WV can take over. Well, okay, WQ... probably blew up when Union Jack broke Prospit.
Yeah, WV, PM & the still alive Derse agents are the top bill around, and if PM can trump Jack again (the three of him, Spades Slick & Union Jack included), then the remaining Derse agents would follow.
you know, everyoneās talked about how the retcon meant that alpha vriskaĀ didnāt really get character development and how tragic it is for her to either be alive or happy, but no one really talks about how tavros kinda got the short end of the stick too. John basically created a new alpha tavros who never fused with vriska and never got to do the wholeĀ ātavros gets to have a meaningful character arcā thing.Ā This tavros is still terrorized by vriska and has basically no self esteem and I just. why do all these poor children need to die to actually become happy healthy individuals.
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Since Homestuckās started back up again, Iāve been thinking about what it would be like to be an archival reader. Since I started reading in January 2012, Iāve been around for almost all of Act 6 and for over half the comic in terms of pagecount and of time.Ā
SPOILERS FROM HERE ON OUT
The most emotional moment of the comic for me, and the climax of Act 5 Act 2 (I consider Cascade to be the climax of Act 5 as a whole) is Vriskaās death at the hands of Terezi. It was something that had to be done for the sake of survival and to eliminate Vriska as a source of future problems. It was obviously something that Terezi regretted, even though it was necessary (see her conversation with Aranea). We get a hint of some closure with [S] Remem8er, and I really hope this whole remembering thing goes somewhere. Even though todayās update has Terezi acting all fine after she remem8ered??? whatever.
Anyway, all that changed with the retjohn. And the worst part is that the sense of inevitability of Vriskaās death is gone, specifically on this page. This is the last page before Vriskaās death, and it also happens to be the last page with a mysteriousĀ ā[???????].ā For the archival reader, Vriskaās death is no loner inevitable or certain. TheĀ ā[???????]ā link provides a glimpse of a third option that neither Terezi or mspa readers had before the retjohn. If I were reading the comic now, this would really lessen the impact for me. Until the moment it was revealed, Iād be wondering what thatĀ ā[???????]ā was for, and how it tied in to that pivotal moment.
Iām kind of tired of people knocking the retcon, so Iām going to voice my thoughts about this.
First of all, I canāt stand Vriska. No matter which Vriska, I canāt stand her. Iāve had too many people in my life be the exact fucking same. The gaslighting, the bullying... Itās way too close to home.
But hereās the thing.Ā
Sometimes people need to be called on their bullshit. Roseās drinking problem was bullshit. Gamzeeās behavior was bullshit. Vriska stepped in and called everyone on all of that shit when no one else would, because sheās a bully. Thatās what bullies do.Ā They are trying to call you out on something that does not make sense to them. They insult you for picking your nose or stagnating in growth, and if youāre smart, you piece together which of their complaints are actually validĀ and which arenāt.Ā
Everyone else definitely isnāt doing that. Theyāre letting each other get pushed around by a bully without putting any thought into it, because she had enough valid points that they donāt think they have the authority to overrule her.
And you know what? Thatās completely reasonable for them to assume.
Iām going to remind all of you that these areĀ 16-year-olds who have spent anywhere from three years to nearly their entire lives depending on the individual without any adequate adult supervision.Ā
OF
COURSE
They donāt know what theyāre doing
IT WOULD BE RIDICULOUS TO ASSUME THAT THEY WOULD
AND WE SHOULD RESPECT THAT FACT AND THE FACT THAT HUSSIE IS THEREFORE SUPER REALISTIC AND GOOD AT CHARACTERIZATION
And Vriska is the only one whoās had any drive to do anything remotely resembling progress because sheās had to be autonomous her whole life
THAT KIND OF POWER WOULD GO TO ANYONEāS HEAD AND DESPITE THE FACT THAT I LOATHE VRISKA WITH MOST OF MY BEING I WILL RESPECT THAT FACT
Hereās my list of the status quo post-Retjohn (so far). Ā Note that many canon events whose original triggers (e.g. Vriska dying)Ā have been removed may, in the Retjohn continuity, Ā have been triggered by different events.
Overall:
Game cartridge de-glittered by windy powersĀ
Therefore a lot of obscured events will be visible (and possibly changed).
Meteor:
Vriska not deadĀ
Therefore:
5X Showdown Combo canāt have happened as shown (Vriskaās dead body clearly shown in background).
Gamzee and Karkat donāt become moirails as a consequence of 5X Showdown Combo.
Terezi doesnāt date Gamzee from grief over dead Vriska; Ā therefore potentially Dave and Terezi donāt break up because of Tereziās kismesis. Ā (On the other hand, Terezi may well kismes with Vriska.) Ā Other consequences:Ā Terezi doesnāt become Faygo addict; Terezi remains blind. Ā And, of course, Terezi doesnāt set up the password system to force John to Retjohn, but blah blah alpha timeline.
Gamzee canāt use Vriskaās corpse to prototype a sprite.
Terezi and Rose not drunk
Shown in post-Retjohn panel where meteor survivors encounter Jade. Ā This means both Seers have time and opportunity to actively plan post-meteor shenanigans.
Battleship:
John is killed early by explosion on his planet
Explosion on Johnās planet kills Davesprite, therefore Jade and Davesprite never date and break up, therefore Jadeās next encounter with Dave doesnāt have residual bitterness from Davesprite breakup.
Jade is alone for 3 yearsĀ ... but apparently still becomes grimbark on arriving.