When the four finally returned to the where their friends were waiting the Fortrex. Cole and Axl were talking about recipes, Jay and Aaron were talking about stunts, Nya, Ava and Macy were talking about girl stuff and Sensei Wu and Merlock 2.0 were catching up on old times. As for Zane and Lance well Zane was just giving Lance a massage which Lance was very much enjoying. "Uh...hey guys." Kai said and the others turned towards them.The Nexo Knights ran towards Robin, Macy giving him a hug while the others surrounded him. The Ninjas did the same with Lloyd except Cole gave Lloyd a nuggie. "Guys stop! You know I don't like people messing with my hair." Lloyd laugh as he pulled away fixing his hair. "Well you gave us a scare we thought you weren't going to come back." Cole said as he released Lloyd. "Yeah I'm fine." Lloyd said as he looked over at Robin. Robin looked happy to be with his friends again. Was he never going to see him again? Was his mom really wrong about them being related? So many thoughts were going through Lloyd's head. It wasn't till Kai set a hand on his shoulder. Lloyd turned to him to see his sympathetic look at him,"We should go they have a long trip ahead of them." he said. Lloyd nodded and the two groups began to say their goodbyes to each other. As the Ninja began to leave Wu walked up to Robin. Robin gave a small smile,"Goodbye Sensei Wu." He said. Wu smiled and handed Robin the photo album he had received from Misako. "Sensei I can't take this." Robin said but Sensei put it in his hands anyway. "Take it. As a momento and have a safe trip back." Wu said with a smile. Robin looked down at the album and held it close,"Thank you." He said as he watched Wu leave. "Alright guys time to head back to Knighton we have a long journey ahead so let's try and not waste time. Who knows how far Jestro and Monstrux are ahead of us." Clay said causing the others to disperse leaving him and Robin alone. Clay turned to Robin to see his staring at pictures in the album. He felt guilty for what he had said to Robin earlier but he was only thinking logically. This isn't a fairytale where you magically find your long lost parents. Especially when they are in a completely different country. "I'm happy you're home Robin." Clay said as he ruffled his hair a bit. Robin smiles a bit back, he did miss Clay and the others he had just wished that things had gone differently. "Go get some rest you look tired." Clay said before he left to go to the control room. The room was now silent and empty of all his friends. He felt so torn between his new friends and his old ones. He felt like he had to choose. Robin just sighed as he made his way back to his room maybe some sleep will help get his mind off things.
Unknown to the Ninja and Nexo Knights Jestro and the Book of Monsters were still in Ninjago...well underneath Ninjago. "Um Monstrux exactly why are we down here?" Jestro asked as he cautiously looked around the cave walls. "I told you I had a friend here long ago and he use to talk about an army he had down here." Monstrux said as they approached a door. "So this friend of yours. Does he always hide his armies in dark creepy places?" Jestro asked as he heard a noise and yelped. Monstrux rolled his eyes and said,"Quiet you big baby and push that marked tile over there." Jestro turned and saw a brick with a bizarre but sinister looking mark. He pushed the brick in and the door opened slowly revealing an army of stone statues. "This is your friend's army? They're rocks." Jestro said kicking one on the side and hurting his toe. "They've been shut down you moron but I have a way to bring them back. Now do your stuff" Monstrux laughed as he turned to a certain page. Jestro obeyed and waved his septic across the page. Releasing a powerful wave of magic across the room. The stone soldiers opened their yellow eyes and began to move. "Yes...Yes! The Stone Army has awoken!" Monstrux said watching the soldier moved out of the cave. "Time to stir up some chaos." Monstrux said before ordering Jestro to follow with him after the Stone Army.
Meanwhile the Fortrex was about a mile away from Ninjago City. Clay walked into the control room and walked over to Merlock 2.0 hologram. "Merlock? Can we talk?" Clay asked. The hologram looked at him and asked,"Is it about Robin?" He asked. Clay looked at his holographic uncle surprised, "How did you know?" he replied. Merlock 2.0 chuckled and replied,"I raised you my boy I know how you are when it comes to change." Clay looked at the side a bit embarrassed and ashamed. "It's not too late to change what has been done my boy." Merlock said. "But how Merlock." Clay said but their conversation was interrupted by an earthquake. "What in the Siam!?" Merlock said. The Fortrex's red emergency lights began flashing as a siren rang out the entire Fortrex. Everyone ran to the control room in a hurry to see what was wrong. "We're being attacked!" Ava said as she was typing away on the computer. "By who I don't see anybody?" Lance said then the wall next to him bulged out due to a hard punch to it. "Nexo Knights get ready to fight!" Clay said as he put on his helmet. The Stone Army then broke down the wall and enter the Fortrex. "Merlock! Nexo Knights!" Clay said as he and his team powered up their Nexo Power. The Nexo Knights then charged the army. They tried their greatest efforts to hurt them but their efforts were futile. It was like they were invincible and more just kept coming. Ava yelped as she began surrounded by Stone Soldiers. "Ava!" Robin called for her, he searched for any available Knight but they were all occupied with their own Stone Soldiers. "Think Robin Think! Ava needs you…. Spinjitzu…Here goes nothing." Robin said to himself before he preformed Spinjitzu saying,"Ninjago!" just like his Ninja friends. Robin managed to knock over the Stone Soldier in front of Ava but he couldn't stop. He kept spinning like he did earlier turned the room into a big pinball machine. "Robin dude I know that's cool but you need to stop before one of us gets hurt!" Aaron said concerned for his friend. Robin's response made them even more worried,"I CAN'T!!!" he screamed as he spun through the hole in the wall. The others ran to the opening and watched as Robin spun through the line of Stone Soldiers but the Stone Army kept getting up one by one after being shoved down. Clay watched as Robin continued to spin through the army,"Guys we have to leave now!!!" Clay said. The Knight ran toward the exit but Ava was still at the computer working away. "Ava we have to go!" Clay said worried about her safety. "I can't! I have to get Merlok out first! I'm almost done I just need a little more time!" Ava said the winds seemed to be getting stronger as she tried to keep her balance. "What is going on out there?" Clay curiously said. He approached the hole in their wall and his eyes widen at the sight of a giant peach tornado. "Robin!?" Clay exclaimed but it seemed Robin couldn't hear him he saw the Stone Army attempt to retreat but even they were caught by the strong winds. Clay held on the wall when he felt the Fortrex begin to slowly move,"Anytime now Ava!" She finishes typing as he pulled the giant drive out of the main computer,"Done lets go!" She said as the two of them ran to the exit. They both go into Clay's vehicle and sped outside to meet the others. Everyone looked at the giant peach tornado as it began to form into a hurricane. "What on earth is that suppose to be!?" Lance said a little panicked by its size. "Whatever it is let's hope we can stop it before it hurts any innocent people." Clay replied as he began to worry about the safety of Robin.