The ninja is sailing the Destiny's Bounty away from Ninjago City.

"How far, Nya?" Cole asks.

"We're going as fast as we can, but this ship needs some fine tuning for sure" Nya replies.

Jay busily types away on the UHF, he looks around cautiously and finds himself looking at Garmadon.

Garmadon inspects the buttons "Hmm."

Jay walks to the rest of the Ninja "Am I the only one freaking out about this?"

"Why freak out? Our derange, psychotic, arch-nemesis is now our house guest" Kai answers sarcastically.

"I find the term freak out inadequate and imprecise," Zane comments "I prefer to say deeply troubled."

Nya whispers nervously "Reika, are you sure he can be trusted?"

"Oh no, not at all." Reika replies "I seriously would've taken the heartbroken puppy over him."

"Heartbroken puppy?" Kai questions.

"Lloyd," Reika replies "after all, he still thinks Aria's dead. I know we all came to the conclusion that it would be better for him to not know, he might change his mind and go crazy looking for her."

"But as far as we know she's still in the first realm." Zane says.

Garmadon walks around inspecting the buttons.

"Anyway," Reika sighs "he doesn't have his powers back, so how much trouble can he really cause?"

Garmadon presses a button, the sails fold in and the thrusters turn off. Everyone looks at him as Garmadon walks away.

Zane looks at everyone "Did he just turn off the—"

The ship starts to plummet.

"He shut off the engines! We're gonna crash!" Jay shouts

Zane starts for the emission switch, but Kai crashes into him, pulling him farther away from the emission switch.

"Ah! I can see the ground! It's getting really close, really fast!" Jay shouts.

"I'm killing him!" Reika shouts hitting the emission switch, just in time for the Destiny's Bounty to rise up into the air.

The Ninja sigh, getting back their breath.

"No no, it's fine." Reika takes a breath as well "It's all cool, he probably didn't know what it was."

"I did," Garmadon comments.

Reika slowly turns her head; Kai quickly grabbed her around the waist before she lunged at him.

"Let me at him!" Reika shouts.

"Heel," Kai says.

Garmadon climbs down the ladder. Later on, the ninja all head to the bridge.

"Ahem" Garmadon got their attention "The Oni entered this realm through a portal or rift between our world and theirs. There are only one or two ways this is possible. And I'm willing to wager, it would've been through the Realm Crystal. To stop this darkness from spreading, the crystal must be destroyed."

Zane looks up on information about the Realm Crystal, typing faster and faster "The Realm Crystal is currently housed in the new high-security vault, below Borg Tower."

"That's smack in the middle of Ninjago City!" Nya shouts

"Uh, we just escaped from there, remember? It's engulfed in a giant, black cloud of destruction, and now you're asking us to turn around and go back?" Jay questions

"I asked nothing. I am telling you that if you wish to stop the darkness, the crystal must be destroyed" Garmadon says.

"And I'm telling you, forget it. Just one of those black cloud tentacle things touched my foot for a second, and nearly froze me solid. We wouldn't last a minute inside the darkness" Cole argues.

"That is correct. You are merely human. However, I am an Oni. We can enter the darkness, make our way to the crystal, and destroy it." Garmadon says "I will of course, require a weapon."

"That's not going to happen." Reika states.

"Can you go through darkness unscathed?" Garmadon questions.

"...no." Reika replies looking away.

"Are you an Oni?" Garmadon asks.

"No.." Reika backs up.

"That's what I thought," Garmadon says "it's settled then."

The ship arrives at Ninjago City as Zane gives Garmadon a camera.

"Do you not trust me that much?" Garmadon questions.

"Not in a million years," Reika replies.

Cole looks down at the sword in his hand before handing it over to Garmadon. Garmadon pretends to look at the sword as Cole turns his back around.

Garmadon leaps in the air at Cole "Hi-yAH!"

Kai pulls his sword from behind him. Cole pulls out his hammer quickly, and blocks Garmadon's moves. Garmadon knocks him aside as Jay faces him. Garmadon tosses Jay's nunchucks over his shoulder and throws Jay on top of Cole.

Nya jumps down from the bridge with her sai out, but Garmadon blocks her from striking him and kicks her over him. He jumps up to fight P.I.X.A.L. Zane shoots at him, only for Garmadon to strike the arrow aside. Garmadon slowly summons up his powers as the Ninja look on in surprise.

"Hmm. That's better" Garmadon jumps off the ship.

"Okay, what the heck was that?" Cole asks.

"Powering up," Reika grumbles.

Cole stomps angrily towards them "I. Do. Not. Trust. Him!"

"Well," Zane turns around "Their's only one way to see."

The ninja head inside the Bounty to watch Garmadon on the camera. Garmadon traveled through the darkness, making his way towards his target. Occasionally, lanterns flicker light, then die out.

Garmadon peeks around the corner and chuckles "Oni."

The Oni look around from the base of Cyrus Borg Tower, keeping watch.

Garmadon walks toward the Oni "Uh, greetings, Brother Oni. How are you? Love what you've done with the place-"

The Oni strike the ground with their weapons, casting darkness. Garmadon leaps at the Oni, pulling out his sword and runs, trying to slice the darkness. Garmadon starts punching and kicking the Oni, only to find they too, know how to fight. Garmadon summons his power and strikes the Oni off the steps. 

The Cyrus Borg Tower symbol flickers slightly as Garmadon enters the building. He goes through an elevator door, heading to the realm crystal. The ninja watches the camera closely, while Garmadon enters the room. Darkness is pouring out of the Realm Crystal, with whispering voices heard in the room.

Jay sees the crystal and shakes Zane "There it is! Destroy it! Quick!"

"He cannot hear you" Zane informs him.

Garmadon pulls out his sword, looking at the crystal "Hmm" he strikes at the crystal, but is blocked by an Oni staff. The staff breaks the sword to pieces and throws Garmadon against the wall.

"Ugh," Garmadon looks up.

The darkness form into the shape of the Oni leader. The Oni finishes her formation and strikes the floor with the staff, lightning flashing behind her. The Ninja looks at each other in fear and shock.

Garmadon gets up, staring at the figure. Garmadon summons his power into four mini swords. He attacks the Oni, but within a few seconds, the Oni throws him against the wall. Garmadon tries to regain his power but does not have enough anger in him to do so.

"Who are you?" Garmadon questions.

"I am the Omega! The Destructor! The Bringer of Doom!" the Omega marches towards him "And you, who are you? Are you the protector of this realm?"

"Usually, no, but today yes" Garmadon replies.

The Omega looks at him "You are an Oni, yet you fight to preserve this realm" She leans a bit back, seemingly disgusted "Why?"

Garmadon sighs "If anyone is going to destroy Ninjago, it'll be me, not some Oni usurper with a walking stick!"

Garmadon powers back up and uses his darkness to knock the Omega away. 

"I never thought I'd say this- but get him!" Reika shouts at the bounty.

Garmadon charges forward but stops when he feels a sharp pain in his shoulder. Garmadon falls to his knees as the person held the object deep in his shoulder.

"Oops," the person laughs "guess you should've paid more attention."

 Garmadon slowly looks over to see a dagger in his shoulder. He then moves his eyes up to see glowing purple eyes.

"Aria..." Garmadon mutters.

The ninja gasp with wide eyes as the camera pans up with Garmadon, to see the reigning monarch of Del in her new form. Aria kicks Garmadon in the chest, sending him back against the wall, pulling her dagger out with it.

The Omega stood next to Aria as she dropped the dagger in her hand with a giggle "Miss me?"