Call it the next generation of Doom and Berserk, The Slayer's son and the Black Swordsman's son meeting up through a tear in the time rift, while it may be another eyerolling experience for the fathers, it is also a nice treat that they finally meet...
On the ship, John flies as the rest sit and wonder what the hell they're getting into. Guts turns to Hunter.
Guts: so? I'm a historical figure?
Hunter: mhm, you and the great warrior Casca are heroes that go down in history. Some people even claim to see dark but Holy Angels that roam.
Casca: thats honestly flattering.
Guts: I probably am being looked up to by all the men of the future, nice.
Hunter: you are the very first Doom Slayer, my father is the 1,000th and the last Doom Slayer.
Guts: it only makes sense that I am.
John flies the ship before the white space around them turns into a black void, and that black void gets lit up by a red blast that consumes the ship and starts sending everyone to a new world entirely.
Elizabeth screams and holds close to MoonShine as Guts holds Casca close to him while clinging to the ground with his feet, Hunter plucks his shotgun into the floor and wraps his hands on the gun while the ship goes flying vertically upwards. Elise is simply pinned by the force of the ship flying 100% vertically.
The ship ends up in a broken world where flying superhumans wreck the cities as demons help the superhumans in white suits. Leading the chaotic duo army is a man in a giant red devil suit with an argent energy shield and sword as a man in red and white floats beside him, preparing to fight them are two greenhaired boys, one in gold and blue, and the other in the doom slayer's eternal makyr outfit.
The ship ends up flying into another rift in time as the group experiences all of it from the front window. John Kane and Guts view the many universes, different versions of the Slayer, Guts, and other legends of the multiverse. Eventually the ship crashes into the ground as Guts breaks through the ship with his dragon slayer as he, his family, Kane and his family walk out safely, Guts asks.
Guts: what the fuck was that.
John Kane: that was, multiverse theory being proven.
Casca: multi wha-?
Hunter: Multiverse theory, every event that goes differently sets up a completely different flow of the timeline.
John Kane: say I never go to Mars, then I never become the doom slayer, I never become the doom slayer and the world dies to Hell.
Elizabeth: that's kinda understandable.
Moon: all of this is really confusing.
John Kane: you'll understand eventually.
John Kane casually reloads his super shotgun as he sees legions of demons in the distance.
John Kane: Guts, I think you might wanna prepare.
Guts: *casually preparing his arrows in his metallic arm* I know I see them, kids remember what your mother and I have taught you.
Guts takes out his dragon slayer and holds it as white berserker armor covers his body while his eyes glow a neon gold. John Kane allows his armor to take form on his body, but his armor takes a different shape this time.
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John Kane: let's go Hunter.
Hunter puts on his doom marine helmet and draws his full-auto shotgun, Elise draws her sword, Elizabeth also draws her own blade. Moon draws his dad's old pre-dragon slayer, Casca holds her crossbow and her golden age sword, Guts and John Kane lead the fam into the hordes of demons that await them.
Kane blasts two Imps into bits as Guts rips and tears through a Mancubus before leaping and blasting away two Cacodemons with his arm cannon. Elise slashes a Revenant's armor while Elizabeth leaps above the Revenant's head, splitting it vertically open with her sword. Moon swings his sword, slashing through zombies, Revenants, and Spider demons. Moon stops to see a cyber demon with Tyrants marching behind it, the demons aim their cannons at him before a giant green orb of argent energy makes its way and blasts the demons into piles of intestines by Hunter's Big Fucking Gun 9,000.
Hunter leaps into the fray as he summons his plasma rifle and blasts the bigger demons away while 30 feet in mid-air. Guts spins his dragon slayer and slashes a Spider demon in half horizontally. Doom Hunters storm in as John Kane leaps and spins vertically with his crucible hammer, smashing it straight onto a doom hunter's head, caving the demon's flesh in and causing a shockwave to spread and destroy the other surrounding demons. Hunter tosses Moon a shaft of a crucible sword.
Hunter: here's a gift, activate it and you'll be surprised!
Hunter runs off to help Guts as he's being chased by two doom hunters, Guts runs with one hand holding his sword while he leaps above the doom hunters and blasts them with his hand cannon. It doesn't work to Guts' surprise.
Guts: what?!
Moon activates the crucible blade to see a large red dragon slayer of plasma.
Moon: aw shit
Moon notices a massive amount of demons rushing at him, one slash tears the demons apart. Elise slashes an Imp's head off before noticing that many of the demons are retreating. They've all won, Casca lools around to see a large city guarded by varieties of different demons entirely. Guts watches as Archvilles, Spider-demons, cyber demons, armored mancubi, buffed up Cacodemons that spit skulls of fire, and blue demon spirits screech in the distance. John Kane turns around while looking at the group as they all ready their weapons.
Guts gives an old school smirk, getting ready to do more of what he hasn't done in a long while.
