Frisk walked a bit farther before noticing more Bridge Seeds across a bridge. "I wonder where these seeds should go?"
As she said that Frisk glanced around before noticing a cave she couldn't reach because of the river and smiled before walking over only to pause when she noticed there wasn't enough room for four Bridge Seeds in a row as she looked at the river in confusion.
"Wait, how am I supposed to… wait a second." Frisk started before closing her eyes only to open them with a smile. "Thank you Chara, I love you so much."
With that Frisk walked down and floated the Bridge Seeds down the river from a different angle allowing her to line them up and just barely create a path she could use to reach the cave as she smiled and walked through it before noticing more of the same flowers from earlier as she walked up to one of them only for it to start talking to her.
"A long time ago, monsters would whisper their wishes to the stars in the sky. If you hoped with all your heart, your wish would come true. Now, all we have are these sparkling stones on the ceiling…" the flower said.
"That's going to change, once I see the king… and give him my soul." Frisk said quietly before continuing down the path before seeing a telescope. "Why not, for nostalgia."
With that Frisk looked through the telescope only to see that someone had written Check Wall on it.
"Check the wall?" Frisk asked curiously before walking over and tapping on the wall only for part of it to break away revealing another passageway. "Huh, I wonder who wrote that."
With that thought in her mind Frisk decided to walk through the path as she arrived at a wooden bridge over a lake with writing on the wall that she approached and read.
"The war of humans and monsters." Frisk read before looking down. "That's not true, the real monsters are up there. Everyone down here, they deserve to be happy."
She continued walking down the path heading closer and closer to the king where Asgore could use her SOUL to break the barrier and set them all free only to pause and start tearing up.
"Why did you have to die Chara, you were the only person I had in the entire world." she choked out only to shake her head. "You must have wanted to help them, so that's what I'm going to do. Then we can be together again big sis, just wait for me ok?"
Having said that Frisk continued on, unaware of the Echo Flower that had heard her every word.
Frisk continued along the path before eventually stopping as she nearly bumped into someone in the tall grass.
"Huh, oh hey." the young monster smiled. "Have you seen Undyne around?"
"Oh… well actually I did but…" Frisk started as the young monster looked at her in awe.
"You saw Undyne, that's awesome do you think you could introduce me?" the young monster requested eagerly.
"I don't… actually what is your name? My name's Frisk." Frisk mentioned.
"I'm just called Monster Kid, because I'm a kid." the young monster explained causing Frisk to smile.
"Well it's nice to meet you Monster Kid, and if I find Undyne I'll be sure to tell her you want to meet her." Frisk offered before smiling. "You're really nice, I wish we could be friends."
"Could be friends, what does that mean?" Monster Kid asked. "Aren't we friends now?"
Frisk's smile turned sad hearing that. "We are, it's just… I don't want to lie to you."
"What are you talking about Frisk?" Monster Kid inquired nervously. "You aren't lying to me right?"
Frisk just looked down. "The truth is, I'm going to see the King… so he can take my soul and use it to break the barrier keeping you all trapped down here."
"Use your…" Monster Kid started only for his eyes to widen in shock. 'Wait, then does that mean you're a… a… human?"
Frisk slowly nodded. "I am, and I just want to see the King so I can give him my soul. You and everyone else down here is so nice, but there's nothing for me anymore. I just want to ask him something and set you all free."
Monster Kid just looked at Frisk in shock before closing his eyes. "That… I mean wow a real human but… you're nothing like what I thought you'd be like. You really mean it; you want to free us all?"
"I really do, I know my big sister would want to do the same thing. That's why I'm going to see the King and give him my soul." Frisk answered confirming Monster Kid's assumption.
Monster Kid just looked down sadly. "I wish we could have stayed friends, you're a human but you're one of the nicest people I've ever met."
He walked off sadly having said that as Frisk continued down the path of the Underground.
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"SANS, ARE YOU PREPARED TO VISIT UNDYNE AND SPEAK WITH HER ABOUT SPENDING TIME GETTING TO KNOW FRISK?" Papyrus questioned before his brother appeared next to him.
"yeah, hopefully things go well and… we'll never be a replacement for her sister, but at the very least we can show Frisk she's got people who care about her and are willing to be there with her when she needs it the most." Sans answered before turning to Toriel. "I don't know if we'll be able to change her mind your majesty, but we can show her that even if nothing else we're her friends and want her to be happy."
"Thank you Sans, that means a lot." Toriel smiled sadly before tearing up. "I lost two of my children in one day, and when I think that the price for our freedom is losing another…"
"it breaks your heart; we feel the same way." Sans admitted. "maybe there's another way, right now though we should get going. Frisk is probably halfway through Waterfall by now."
Toriel and Papyrus simply nodded as the three monsters walked out into Snowdin as they prepared to follow Frisk.
(Frisk is continuing to travel through the Underground and has revealed she is a human to Monster Kid. Next chapter Frisk will continue through the Underground. As always any reviews or critique is appreciated.)