Yeahhhh I started following it during the Spanner battle. KHR's been in a slump pretty much constantly since I started following it :( And uh. A lot of it doesn't make sense. (KAWAHIRA I AM LOOKING AT YOU) BUT HEY. No more future arc! It's over! It's done! They're probably about to go back home! F I N A L L Y
I think that's when I stopped reading it, right after the Spanner battle...i-if it's not too much trouble, I more or less know what's happened except for some parallel worlds they're mentioning? what's that about? xD orz sorry, if it's too much tl;dr or something don't worry then XD
Yes finally a new arc! I hope it gets better and there's no more POkeborn because...damn XD
Anime or manga? [has watched very little of the anime]
This chapter and the one right after it have a lot of the explanation of the parallel world thing. Basically, there're many, many alternate universes where things went differently in some way (including things like Belphegor's brother, Raziel, survived) and if you use the ten year bazooka, you can screw things up (see also: right before the Lightning Ring battle in Varia Arc). The future's freaking crazy because Irie Shoichi had the box of ten year bazooka shells. He'd dropped one, realized that he was in the future and apparently was a college student doing SCIENCE!!, and freaked out because he wanted to be a musician. :( While in the future, he met one of future-Irie's friends, a man named Byakuran.
So kid-Irie burns his books to try to change his future so he ends up as a musician and later tries another bazooka shell to see what happens. Turns out that version of Irie was a musician who owed the mafia money and tiny-Irie was going to get the crap beaten out of him. SUDDENLY, a random passerby rescues him. Said passerby? BYAKURAN. ... who is like "... Have we met before?" "N-no! (He can't possibly know, can he?)" "... You look familiar ..." "You must be thinking of someone else!" "... Is your name ... I ... ri ... e?"
AND THEN TIMESPACE IS BROKEN
AND THEN APPARENTLY ALL VERSIONS OF BYAKURAN IN ALL UNIVERSES ARE CAPABLE OF KNOWING WHAT EVERY OTHER BYAKURAN KNOWS
The universe in the Future Arc is unique for two things: one, Irie and Tsuna had met accidentally at some point (Tsuna's bike broke and Irie fixed it); two, Byakuran had not killed the sky arcobaleno. AND SO THERE WAS HOPE OR SOMETHING
AND IF BYAKURAN IS DEFEATED IN ONE UNIVERSE HE IS DEFEATED IN THEM ALL BECAUSE HE EXISTS IN ALL UNIVERSES AT ONCE
ALSO BYAKURAN IS AN ANGEL I GUESS
except now since Tsuna exploded him I guess he's nothing since he didn't even leave a corpse
Uni and Gamma suicided, Tsuna exploded Byakuran in revenge, the rest of the Arcobaleno were revived by Uni's sacrifice (Feng and Verde have speaking roles!!), and everything done in the BAD END future is fixed I guess (except Gamma and Uni seem to still be dead. Gamma might get better; I don't think Uni will).
Also Byakuran got his ULTIMATE POWER after Irie broke timespace from the Cervello. It looks like the Cervello'll be the next villains.