CassieRose trudged down the halls of the castle. It was Asgore's castle before. Now it belonged to her and Chara. When Chara rescued her and Winslow from the Endermites, and told her she was Chara's reincarnation, things had looked a lot brighter. For one thing, they would be able to have revenge on those pests Jesse and his friends. And the serious loot and the crown for the Underground was pretty sweet. Cassie smirked at the thought of what she would do when she got her hands on the Order. Oh yes, very murderous things! Torture, torment and possession. Chara was trying to win over one of Jesse's former enemies by driving him to rage and insanity and Hate. Hate was Cassie's soul, pure black. Cassie wondered what the other Builders would say if they saw her like this. Probably be horrified. But that didn't matter. She wasn't even 100% sure they were still alive. Cassie was the youngest, after all. She continued to her new throne room. Since Chara was a souless, unseen ghost (how did she still exist then, without her soul?), she was unfit for rule. So Cassie was queen intead. She had commanded all monsters to hunt and kill the other reincarnations of the fallen humans, except for Perseverance. That was the one Chara was trying to possess. She had killed his best friends, and soon he would fall to the shadows of genocidal rage. He would eradicate the others, and join Chara and Cassie is ruling. It was a good plan. Chara was extremely wary of Determination and Justice. Determination was Frisk's reincarnation, Chara's sworn enemy, and Justice was a big threat. She had been meddling in Chara's work once or twice before, but now she knew she was a reincarnation of a fallen human, she could be even more dangerous.
You know, you have an army of monsters at your disposal...
"I know. I already sent them to find the humans."
You have one monster in particular who would do nicely for this!
"He only needs one hit to take him out."
But it's extremely hard to hit him. And he is a beast when it comes to a fight!
"What about the Captain?"
Send her too. And go along with them. Triple threat, after all!
"Fine. But what are you planning, exactly? I'm the queen here!"
Just trust me.
"Trust no one."
That's my girl! But with all due respect, just let me take command here.
"If this backfires, you'll be held responsible!"
I can live with that. And it won't backfire!

"So children, any idea what you will do when you find Chara? Do you have a plan to defeat her?" Toriel enquired while leading them all through the Ruins. "Yeah, do y'all know what you're doing here? Chara isn't exactly a walk in the park, as you've seen already." Flowey added. "Well, hopefully we'll know what to do when we get there!" Petra shrugged. Her orange soul glowed bright. Bravery. Her best quality. Toriel sighed, but she was smiling. "My dear girl Petra, come with me for a minute..." she urged. Petra followed her. Just then Toriel grabbed her shoulders and looked serious. "Petra, you're the strongest of the group. Protect them. Keep your friends from harm as well as yourself. In Snowdin town, don't talk to anybody and don't let them know you're human. I couldn't save my husband... my children... my friends... I couldn't fight my first daughter. I wasn't brave. But you are. Keep that in your mind." Toriel had tears glistening. Petra felt something.

Knowing that you are cared about dearly, you blaze with BRAVERY.

Petra then unexpectedly hugged Toriel. She felt her own eyes prickle. "I never knew my mother..." she sobbed. "There there, child. Tell me, what is bravery to you?" Toriel asked. "It's not about being afraid of nothing. It's about willing to face your fears, and also knowing that you are afraid. Losing my friends... failing the world... and facing my past in case it's bad... that's what I am afraid of. But I will face it. I have to if I want to move on. That goes for everyone. Thank you for helping, Toriel. I promise when this is all over, it will be all worth it. We'll find a way to turn Flowey back into Asriel, we'll help the Underground recover, you'll see!" Petra assured.

"Um, are we interrupting?" Jesse and Olivia suddenly appeared while Toriel and Petra were mid-hug. "Join in!" Petra held her hand out to them. Jesse and Olivia joined in, then suddenly everyone else.

Megalovania intensifies
Spears of Justice intensifies
You feel like you're going to have a bad time

"Well well well! If it isn't Jesse and his goody-two-shoes friends!" CassieRose cackled. She had two monsters with her. One was a skeleton in a black hoodie and had stripes on his face as well as a glowing blue eye. The other one was a fish lady with armour and red hair in a ponytail. She was holding an electric-blue spear.

The same one that had killed Maya and Gill.

"Bring it on, punks!" the fish lady aimed her spear, sending shivers down their spines.

Fallen Undyne, Fallen Sans and Queen CassieRose have appeared!

"Hang on, Undyne?!" Jodie gasped in shock. She almost looked... upset? "You... you were my idol..." she said in amazement. "Sorry kiddo, but I'm not giving autographs! Also Patience and Perseverance, recognise this?" Undyne held up a blood-covered spear and two souls. Aiden felt like he was going to pass out from the greif and anger. But he had to keep calm and fight, well, spare. They had to be Pacifist, after all.

"And by the way Flowey, say goodbye to your family forever!" Cassie laughed like a witch, then sliced Toriel across the chest with her diamond axe before Flowey could process.
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Finally some action!

NUU GOAT MOM! XD