"hey Paps do you mind showing the human that puzzle without me?" Sans requested.

"OF COURSE NOT, BUT WHY?" Papyrus asked. "IS SOMETHING WRONG SANS?"

"no, it isn't that I just wanted to see if Undyne knew anything about Chara." Sans admitted. "she might know something we don't."

"YOU HAVE A POINT, VERY WELL SANS I WILL EXPLAIN THE NEXT PUZZLE TO THE HUMAN." Papyrus agreed.

"thanks bro." Sans said before walking off.

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"Please wait." Frisk panicked as she rolled out of the way of the male dog's axe again only for the female dog to try and cut her in half.

"Stop moving." the male dog growled before stopping as the two of them sniffed the air.

"Wait, are you a puppy?" the female dog questioned suddenly. "You smell like a little pup."

A puppy, Frisk thought before hesitantly reaching over and petting the female dog.

"Huh, pet by a pup?" the female dog asked in shock.

"Hey, don't leave me out." mentioned the male dog before Frisk smiled and started to pet both of them.

"Wow, dogs can pet other dogs?" the male dog inquired.

"You're shown us something amazing, thanks little pup." the female dog smiled before the two of them walked off and Frisk turned to continue walking down the path where she saw two X's on the ground surrounded by rocks with a sign.

TURN ALL THE X'S INTO O'S, THEN PRESS THE SWITCH.

"Ok." Frisk decided before stepping on the two X's as they turned into O's before pressing a switch next to the sign as a wall of spikes disappeared.

"WHAT, OH HUMAN YOU SOLVED THIS PUZZLE EASILY, PERHAPS TOO EASILY." Papyrus noted. "HOW DID YOU GET PAST MY SPAGHETTI?"

"Oh, well." Frisk started.

"DID YOU ENJOY IT, AND MORE IMPORTANTLY DID YOU LEAVE ANY FOR ME?" Papyrus inquired.

"Actually I passed it without eating any, if we have spaghetti it should be when we're all together." Frisk answered. "You, Sans, me, and Chara."

"WOWEE, YOU HAVE A POINT HUMAN. VERY WELL, THE GREAT PAPYRUS WILL BE CERTAIN TO MAKE MORE THAN ENOUGH SPAGHETTI FOR ALL OF US." Papyrus declared. "NOW THEN, COME WE HAVE ANOTHER PUZZLE TO SOLVE."

"Ok, that sounds fun." Frisk agreed with a smile before following Papyrus.

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"Ok, it's almost time for…" started a female fish monster wearing a suit of armor before Sans walked up to her. "Sans, what are you doing here?"

"not much, but I actually wanted to ask you something." Sans admitted. "it's about the humans that have fallen from the surface."

"Alright, what is it you want to ask me?" the fish monster asked.

"did you happen to know if any of them were named Chara?" Sans inquired. "I heard the name and it didn't ring any bells."

"Chara, yeah I think I've heard…" the fish monster started. "Wait Sans, where did you hear that name?"

"why does that matter, is Chara kind of fishy?" Sans asked with a grin.

"Sans, it isn't a joking matter. Do you remember the day the prince fell?" the fish monster questioned. "He absorbed a human soul and passed through the barrier but the humans attacked him."

"of course, every monster knows about that." Sans answered. "wait, do you mean the human that soul belonged to…"

"Was the human child that King Asgore and his wife adopted, yes." the fish monster finished. "I don't know why you're asking about this all of a sudden, but don't do something reckless."

"a lazybones like me doing something reckless?" Sans questioned with a grin.

"Right… Well get back to your sentry station and be on the lookout for humans." the fish monster instructed.

"whatever you say Undyne." Sans replied before walking off.

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"Not again." Frisk noted with a frown as she trapped herself in the puzzle. "I'll get this eventually."

"THAT'S THE SPIRIT HUMAN, IF YOU KEEP TRYING YOU WILL DEFINITELY SOLVE THE PUZZLE." Papyrus encouraged her as Frisk stepped out of the puzzle so she could reset it.

"Yeah, you're right. I know I can figure this out." Frisk replied confidently before looking at the puzzle again. Ok let me see wait a second why didn't I think of that before, that might work.

As Frisk thought that she turned back to the puzzle and started walking through it again before managing to turn all the X's into O's and leave a path for her to get back out.

"AMAZING HUMAN, YOU SOLVED THAT PUZZLE WITHOUT ASKING ME FOR THE SOLUTION. YOU MUST REALLY LOVE PUZZLES ALMOST AS MUCH AS I DO." Papyrus mentioned with a grin. "I WILL MAKE SURE THE NEXT PUZZLE IS PREPARED FOR YOUR ARRIVAL, THOUGH I WARN YOU IT WILL NOT BE SO EASY."

Saying that Papyrus ran off down the path as Sans walked up to Frisk.

"hey kid, nice job with the puzzle. you solved it without asking me for help, which is great because I really like doing absolutely nothing." Sans mentioned.

"Well it was fun, and hopefully once I find my sister the four of us can all enjoy puzzles together." Frisk admitted with a smile.

"actually about that, I asked a friend of mine about Chara and the news isn't exactly good." Sans admitted.

"What are you talking about?" Frisk asked nervously. "Chara's ok right?"

"not to long ago the prince of the Underground died. the thing is before he did his parents, the king and queen, they adopted a human that fell down here. you probably already know who that was don't you Frisk?" Sans assumed.

"Chara, she was adopted by the king and queen?" Frisk asked.

"yeah, she was. except she got really sick one day and well… you probably already know what that means." Sans answered quietly. "look kid, I'm really sorry."

"No, that can't be true." Frisk told herself as she fell to her knees. "Chara wouldn't do something like that, she wouldn't leave me alone she wouldn't."

"Frisk, I'm so sorry, I can't even imagine how it must feel." Sans admitted. "just know that if you need anything I'll be there for you."

(Frisk is continuing through the Underground but Sans has learned and revealed that Chara has passed away. Next chapter the repercussions of Frisk learning what happened to Chara will begin to affect her. As always any reviews or critique is appreciated.)