Earth-1

Central City

S.T.A.R. Labs

Team Legends and Team Arrow invade the outer plates of S.T.A.R. Labs, like zombies. While they are preoccupied with mindlessly scratching a wall, which by a minute would be break. Members of Team Flash and Felicity remain in the main rooms, feared for their lives, as they discern on live footages of their ally-turned-apparent-enemies.

"What the hell is going on here?", Joe questioned, freaking out.

"Don't know. First the news mashed their heads, separating with Barry and Oliver. Now everyone's gone crazy", Cisco deemed, ahead looking over the computers. He tried seeking any path to buy them enough time.

"What happened to Barry and Oliver?", Felicity questioned, with anxiety, as these two are the only ones best to defend them all.

"No one knows, which worries me", Caitlin said, performing same moves as Cisco.

"Should've given Oliver an exo-strength feature", Cisco staggered on.

"I doubt Oliver would be keen to use enhanced tools", Felicity expressed. She then perceives on video that radicals her. "Hey wait!", Felicity drags everyone's attentions, pointing her finger at one screen, live video. Same one that showcases Team Legends and Team Arrow gone mental. A oval-shape 2D. "Have't we seen it before?". A state of relief rests in their shoulders.

A four people got out the portal. Three they can easily recognise. One they don't, a slight ponder that also rests in their shoulders.

"The cavalry is here", Cisco commented, glad. "Who in Shazam's glory thought that Oliver and Barry sided with a green man?".

The possessed Team Legends and Team Arrow turn to confront their incoming opponents. Martian Manhunter, the Flash, Green Arrow, and Supergirl.

As cooperative as of leader status, Oliver commands Barry and J'onn to take care of the Firestorm and Atom, respectively. As Martians don't blend well with fire, which is exactly what Firestorm and Heatwave emit, from their respective uses.. Oliver tells his girlfriend to deal with the Wild God, Mr. Terrific, Ragman, and Artemis. Whilst he, himself, take on White Canary, Black Canary, Spartan and Speedy.

"What are the odds in your favour?", Kara asked. Three-quarters worrisome.

"Suicide", Oliver simply announced.

"Better not", she regarded, with menacing serious tone, as she isn't entitled to joy herself of short laughs or giggle.

Arrows are bolted from Archers. Various chucks of fixed-movements from throwers, like Sara. Blasts branched from Heatwave, Firestorm, and the Atom. A chaotic mix-up.

Flash, instinctively, speeds ahead, latching every arrow he can possibly catch, at momentarily fast-pace. He snatches most of them. The remains were impacted on Supergirl, whom wasn't unfazed by the hits she was landed with.

The four charge forward, attacking a section of a possessed group, under Oliver's line of commands.

The newbies of Team Arrow threw every hit on Supergirl, only to bounce off. Kara refreshes her freeze breathe, transitioning each of them to solidified states.

J'onn clashed with Atom. Atom wore an armour, that intensifies his strength. Not in a certain point to match the Martian's. J'onn, gripping Atom's arms, swirls the latter to the other side, throwing him in the process. He quickly takes a brief look at Supergirl, proud she isn't entice to use immeasurable pain. Only to immobilise. J'onn launches himself to the directed fall of Ray.

Flash doges every wave of fire thrown at him. Another one almost reached his shoulder, in which he moved it away. Barry spins round, going back to running, facing with Heatwave. In a slippery countless second, Barry sucker punches Mick, knocking him unconscious.

Firestorm inflames a thunder stream of flames. Barry jumps to the side, allowing the wave to slide through. In his slow-time field, he make a few circle-rounds, to charge his wrists, empowering it with yellow sparks. Firestorm, realising Barry dodged it, charged another bolt, only to be casted off by Barry's yellow strike.

Green Arrow shot three smoke arrows, blinding his former teammates. In the smoke field, Oliver lightly knocks Thea down unconcious. He moves over to Laurel, decking her down. John soon finds Oliver, as smoke slowly begins to fade. Spartan shot a few at Oliver, only to be blocked thanks to Oliver using his bow as a bo-staff to twirl. Oliver and John brush at each other. John thrusts a punch. Oliver sides to he left, followed by grabbing hold of his arm to use it to hit himself a few times. After that, Oliver propels his fist on John's face, ramming him back a few tiles. White Canary dashes Oliver, whom was off-guard. Oliver rolls over, leaning to regaining his composure in stance with his close friend. The two engage, exchanging fist to fist, leg to leg. None gaining the upper hand. Till Sara kicked Oliver back. Oliver grunts, slowly letting it wet in. White Canary advances ahead, she impels her clenched hand to her best friend. Only for Oliver to grab it, with the right rythm. Oliver elbows Sara's gut, torso and chest a few times, intent to weaken her defences. Sara passages to her recovering stand. Not enough as the Green Arrow vertically swiped her lower chin, pushing her back a few metres.

"You've proven more of a formidable opponent, Sara", Oliver remarked, assuming the Lazarus pit granted her that strength. "Though if the caped man were here, it'd be him turning the tides on his favour. Even on me", he confessed.

With all his enemies down, Oliver tilts to realise Supergirl was levitating in air.

"Told you I didn't need help", Oliver said, ticking the word he kept for Kara. Supergirl gave painted impression of happiness.

In three ticks, Flash and Martian Manhunter joined with Green Arrow and Supergirl, whom joined by her boyfriend's side.

"Never knew we could handle the whole league", Barry expressed, with sincerity.

Green Arrow turns to face Martian Manhunter and Supergirl. "Wouldn't have done it without you two".

"Pass the gratitude, Queen. You and your friend put great effort on taking them down", J'onn said.

"The gratitude is ours", Kara said, moving her arms to fold on her chest. "And respect". She smiles with Oliver, whom reasons the same.

Flash partakes on looking every motionless body, that was piled in fixed formats. "What about those? Will they?".

"Unfortunately we can't tell. They are under the influence of Darkseid. So just because we may have knocked their heads off, they might still be under control of that monster", Kara revealed.

"Which makes all the effort for Barry, to put up the team, back to square one", Oliver lined, disapproved that they have to accept this.

"There is one way", Kara announced. It produced sharp eyes on Oliver and Barry, believing there is still hope for them. "It can only bring one of them to break their chains with Darkseid".

"That's a bummer", Barry remarked.

"Well you're the actual team leader, so-". Oliver couldn't complete his sentence.

"Oliver you're more synoptic of most of them, and competent to pick which one is more useful", Kara expressed.

Oliver turned to Barry, only to receive an assuring smiley nod.

"Okay", Oliver accepted. A choice to pick which one would define their fate overall. But which one, no one can choose easily. Not even Oliver himself, regardless of the motives Kara had given her to pump up his sense. No one has the power to kill or neutralise a deity, but there could be one that can lead their war to temporarily conceal, if using the correct one. "Get your stuff ready, in your world. We'll meet at S.T.A.R. Labs main room".

Kara nodded, leaving their world, with J'onn, via boom tube.

Oliver and Barry's next stage is cleaning the mess up.

"How we going to sort them out?", Oliver questioned, pressing his eyes on the pile they set.

"Pipeline", Barry answered.

"Do you have enough prison cells for eleven of them?" Oliver raised.

"Should be", Barry believed. As this wasn't the first time they caged a lot prisoners in pipeline.

"You better be right", said Oliver, concerned more about when do the possessed are bout to rise their consciousnesses. The Archer had a difficult time taking on with Sara. A majority of the league Barry added will cause major chaos. Oliver leaves his faith in Barry and Kara's hands.