The snow was coming down as screams from a village were heard. The townsfolk were running in fear as a large Grimm was chasing them around the village.

The horseback Grimm continued to chase the people as a woman tripped. The Grimm quickly loomed over her and raised its scythe ready to kill her. The woman closed her eyes waiting for her end but before it could bring its scythe down on her a red grenade landed between them and exploded in a mass of flames blocking the Grimm off from its prey.

???: Sorry, to say big guy but that won't be happening

The Grimm looked to the voice seeing a man with grayish blonde hair standing there glaring at the Grimm known as Leon.

Leon looked at the woman and motioned for her to get out of there, to which she nodded and quickly ran away. The Grimm turned and growled at Leon. It got ready to rush at him only for a mass of small missiles to pepper it's body and force it back. Seconds later  a robot landed next to Leon. This robot being known as Robotboy.

Robotboy: Hmph...

The Grimm roared again but was soon blasted even further back by a stream of electricity. It soon subsided and a large monkey like humanoid known as Shocksquatch landed in front of Robotboy and Leon.

Shocksquatch smirked at the Grimm.

Shocksquatch: You know buddy, you're really out of season. Halloween was two months ago

The Grimm roared at him.

Leon: Hmm, I was more so expecting some type of Grimm Snowman

Shocksquatch: Or a Grimm Santa Claus

Leon: That would've been an interesting sight

Shocksquatch: Yeah, but for now...

Electricity charged around his hands.

Shocksquatch: Let's take care of this punk!

Leon nodded and took out his shot gun the Hydra and Robotboy changed his hand into his arm cannon. The Grimm again roared and rushed at the three. In response Shocksquatch slammed his fist into the ground and sent a wave of electricity towards the Grimm. The horseback Grimm jumped over the a wave only to be met with a shotgun blast from Leon causing it to fall over in the air. Then being blasting in the side by Robotboy's arm cannon. Shocksquatch rushed in and slammed a electrified fist into the Grimm's pumpkin head squishing it a bit.

The Grimm roared once more and slashed its scythe in front of itself sending a wave of energy at Shocksquatch, who in response put up a barrier made of electricity around himself to block it. The two energy sources struggled against each other before Robotboy rocketed over the Grimm and fired down a barrage of blasts from his arm cannon and missiles. Causing the Grimm to stumble back again only to be met with a grenade to its pumpkin head cracking it further. After that the attack that was sent toward Shocksquatch dispersed and he dropped his shield.

Shocksquatch: Alright, lets heat things up a bit now!

He slams the watch badge on his torso surrounding him with green flash. The flash soon subsided revealing that Shocksquatch had transformed into humanoid plant creature known as a Methanosian. An alien known as Swampfire.

Swampfire then smirked and turned the watch badge a bit before pressing down on it. Four spikes come from the badge and soon he evolved his Methanosian form into it's Ultimate form. Ultimate Swampfire.

Ult.Swampfire: Now then, lets bring the fire and the flames!!

He grabbed two of the pods off his arms and threw them at the Grimm with them detonating upon contact injuring the Grimm greatly and causing its chest to open up revealing a glowing heart in there. Leon then rushed in and fired shotgun blast into the horse part of the Grimm's head blowing off the top part of it. Robotboy then blasted the Grimm's legs clean off causing them to be grounded now. Ult.Swampfire smirked at seeing this and lifted up his hands. A ball of plasma like fire formed in between his hands and grew larger.

Ult.Swampfire: IT'S OVER!!

He fired a beam of blue plasma like fire at the Grimm, with it completely overtaking and consuming them. The Grimm's body was completely burnt away as it's heart was disintegrated. A few seconds later Ult.Swampfire stopped firing with Leon and Robotboy coming to his sides.

Ult.Swampfire: Heh, well that's that

Leon: Yeah, another successful mission

Robotboy soon shrunk down to a smaller form.

And gave the two a thumbs up.

Ult.Swampfire: Well, I say we earned ourself a much needed break. Come on, let's head back to the Comet Observato-

Before he could finish he suddenly sensed something behind him and quickly turned around causing both Leon and Robotboy to turn as well out of confusion. Once they do they see a green crystal floating there.

Leon: What in the name of

Robotboy: *Tilts his head curiously*

Ult.Swampfire looked on a bit more before approaching the crystal curiously.

Ult.Swampfire: What in the world is this

He reaches his hand out to it and just as his hand was a few millimeters away from the crystal, a large flash came from the Crystal shocking Ult.Swampfire. And from that flash a portal opened up and began to drag Ult.Swampfire into it. Both Leon and Robotboy's eyes widened in shock at seeing this.

Leon: (Y/N)!?!

Robotboy: Uh oh!!

Ult.Swampfire was soon dragged into the portal and it soon closed shortly afterwards with Leon and Robotboy looking on in shock.

Leon: This....Isn't good

Robotboy: No...

Leon: We need to report back to the Comet Observatory and tell Rosalina!

Robotboy nods and the two quickly rushed off. We then cut to a boy laying unconscious on a large rock floating in the middle of a strange space.

On his wrist was a strange watch like device known as the Ultratrix.

???: Excuse me, wake up

The boy just groans a bit.

???: Oh for the love of. WAKE UP!!!

The boy jolted awake at this and looked around in a panic.

Boy: What the!? Who the!?

???: Hey down here, on your watch

The boy's eyes widened a but and he looked down at the Ultratrix seeing a strange slime like creature on it.

Boy: You're a.....Slimebiote...

Slimebiote: Ah, so you know my species. Well I suppose it'd make sense for you to, since you wear a device similar to his

Boy: You mean Ben Tennyson

The Slimebiote looks at him.

Slimebiote: You know him?

Boy: Well of course...

He then smiles.

Boy: I'm his Descendant! (Y/N) Tennyson!

The Slimebiote's eyes widened at hearing this.

Slimebiote: So, you're related to Ben. Heh, well then I'm Skurd the same Slimebiote that was bonded to Ben's Omnitrix a long time ago

(Y/N): Heh, nice to actually get to meet you Skurd! Now then...

He stands up and looks around at his surroundings, seeing really nothing around.

(Y/N): Where are we?

Skurd: You're guess is as good as mine. I just woke up here attached to your watch

(Y/N) looks down thinking before sensing something. He looks up seeing the same crystal from before. Before he could say anything however the crystal suddenly turned into energy and flew down into his Ultratrix shocking both him and Skurd.

(Y/N): What the-

Seconds later the Ultratrix glowed and morphed, soon turning into a new form.

(Y/N) looked at this in astonishment.

(Y/N): This is....New....

Skurd: You don't say...

The space around them suddenly began to rumble all around them as (Y/N) tried to keep himself from falling over. And soon the space around them parted like cloud like substance revealing multiple small islands with buildings on them.

Skurd: This is...

(Y/N): Going to be a strange journey...

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Omniversal Traveler