# UNDERTALE: THE PLAYER ENTERS THE UNDERGROUND

**Setting:** The Underground, after the monsters have begun discovering the truth about Frisk, Chara, SAVE files, and the strange entity known as the **Player**.

**Characters:** Frisk, Chara, Toriel, Sans, Papyrus, Undyne, Alphys, Asgore, Mettaton, Napstablook, Monster Kid, Asriel, Flowey, Muffet, Grillby, and the other Underground monsters.

---

The Underground had always contained mysteries.

The monsters had learned that Frisk was strange.

They had learned that Chara was stranger.

They had learned about SAVE points, LOADs, resets, timelines, and the terrifying possibility that someone outside their world could influence everything they did.

But there was one question nobody had ever been able to answer.

**Who was controlling everything?**

Sans had spent countless timelines trying to understand it.

Alphys had studied the anomaly.

Asriel had experienced enough resets to know something was wrong.

Even Chara knew there was something beyond them.

But nobody had ever been able to actually reach the being on the other side.

Until now.

---

## THE DISCOVERY

Alphys stood in front of a massive machine covered in wires, monitors, and strange glowing symbols.

Everyone had been called into the laboratory.

Toriel stood beside Sans.

Papyrus was practically bouncing with excitement.

Undyne had her arms crossed.

Mettaton was already filming.

Asgore looked concerned.

Frisk stood silently in the middle of the room.

And beside them stood Chara.

Alphys nervously adjusted her glasses.

**Alphys:** "O-okay... everyone... I think I figured something out."

**Undyne:** "You figured something out?"

**Alphys:** "Y-yes!"

She pointed toward the machine.

**Alphys:** "We've spent all this time thinking that Frisk is the connection between our world and the Player."

Sans' expression became serious.

**Sans:** "but that's not exactly right."

Alphys nodded.

**Alphys:** "Frisk is a vessel."

Everyone looked at Frisk.

Frisk tilted their head.

**Alphys:** "The Player exists somewhere outside our reality. Frisk can interact with them because the Player can control Frisk."

Chara slowly smiled.

**Chara:** "And I can hear them."

Everyone became silent.

**Toriel:** "You can?"

Chara nodded.

**Chara:** "Sometimes."

Asriel stepped forward.

**Asriel:** "Then... where are they?"

Alphys pointed at the machine.

**Alphys:** "That's what I figured out."

She took a deep breath.

**Alphys:** "We can summon them."

Silence.

Papyrus' eyes widened.

**Papyrus:** "YOU MEAN WE CAN BRING THE PLAYER HERE?!"

**Alphys:** "I-I think so."

Sans stared at the machine.

His smile disappeared.

**Sans:** "that's one heck of a sentence."

---

# THE SUMMONING

Alphys activated the machine.

The entire laboratory shook.

The lights flickered.

The monitors began displaying strange symbols.

SAVE icons.

HEARTS.

ERROR messages.

Unknown commands.

Then something completely different appeared.

A message.

> **CONNECTING TO EXTERNAL ENTITY...**

Everyone stared.

**Mettaton:** "Oh my! This is considerably more exciting than television!"

**Undyne:** "DO IT!"

**Alphys:** "W-wait! We don't know what will happen!"

**Undyne:** "THAT'S WHY WE DO IT!"

**Sans:** "i'm starting to regret coming here."

The machine began humming.

The screen displayed:

> **PLAYER DETECTED.**

Frisk's eyes widened.

Chara looked directly toward the screen.

**Chara:** "They're here."

The machine suddenly exploded with light.

A tear opened in reality.

Not a portal like the ones monsters were accustomed to.

This was different.

It looked like a window.

A window looking **outside the universe itself.**

Everyone could see something on the other side.

A completely different world.

Then...

A figure appeared.

**The Player had arrived.**

---

# EVERYONE'S REACTION

## FRISK

Frisk stared.

They didn't move.

For the first time, Frisk wasn't looking at the person controlling them from somewhere beyond reality.

They were looking directly at them.

Frisk slowly raised their hand.

Then waved.

The Player waved back.

Frisk's expression softened.

They had finally met the person who had been with them through every journey.

Every battle.

Every reset.

Every mistake.

Every friendship.

Every ending.

Frisk smiled.

---

## CHARA

Chara's reaction was completely different.

They stared at the Player with an unreadable expression.

Then they smiled.

**Chara:** "So..."

They walked closer.

**Chara:** "You're the one."

The Player looked at Chara.

Chara tilted their head.

**Chara:** "I've always wondered what you looked like."

Their smile widened.

**Chara:** "You're much more interesting than I expected."

---

## SANS

Sans stared at the Player.

For once, there was absolutely no joke on his face.

He slowly reached into his pocket.

**Sans:** "so..."

He looked at Frisk.

Then Chara.

Then the Player.

**Sans:** "you're the one who's been pushing the buttons."

The Player nodded.

Sans stared for several seconds.

Then shrugged.

**Sans:** "heh."

His grin returned.

**Sans:** "figures."

He pointed at the Player.

**Sans:** "just one thing."

The Player looked at him.

**Sans:** "how many times have you made me fight you?"

Sans' smile became slightly more threatening.

**Sans:** "because i remember."

---

## PAPYRUS

Papyrus immediately ran toward the Player.

**Papyrus:** "HUMAN!"

Everyone panicked.

**Undyne:** "PAPYRUS, WAIT!"

Papyrus stopped inches away.

Then dramatically pointed toward the Player.

**Papyrus:** "YOU!"

The Player looked nervous.

Papyrus smiled.

**Papyrus:** "YOU HAVE CONTROLLED MY BROTHER!"

Sans blinked.

Papyrus continued.

**Papyrus:** "YOU HAVE SOLVED MY PUZZLES!"

His smile became enormous.

**Papyrus:** "YOU HAVE FOUGHT ME!"

He leaned closer.

**Papyrus:** "AND YOU HAVE SEEN MY GREATNESS!"

Papyrus suddenly raised both arms.

**Papyrus:** "THEREFORE..."

Everyone waited.

**Papyrus:** "I DEMAND THAT YOU ACKNOWLEDGE THAT I AM THE GREATEST SKELETON IN THE MULTIVERSE!"

The Player nodded.

Papyrus gasped.

**Papyrus:** "I KNEW IT!"

---

## TORIEL

Toriel was overwhelmed.

She slowly approached the Player.

**Toriel:** "You are the one who guided Frisk."

The Player nodded.

Toriel smiled sadly.

**Toriel:** "Then... thank you."

She looked toward Frisk.

**Toriel:** "You protected my child."

Then her expression became slightly more serious.

**Toriel:** "But..."

She stared directly at the Player.

**Toriel:** "I hope you understand that Frisk is not merely a character in a game."

She placed a hand on Frisk's shoulder.

**Toriel:** "They are a person."

The Player nodded.

Toriel smiled.

**Toriel:** "Good."

---

## UNDYNE

Undyne immediately pointed her spear at the Player.

**Undyne:** "YOU!"

The Player froze.

**Undyne:** "YOU'RE THE ONE WHO'S BEEN MAKING FRISK DO ALL THAT CRAZY STUFF!"

The Player tried to explain.

Undyne lowered the spear slightly.

**Undyne:** "Wait..."

Her eyes widened.

**Undyne:** "YOU'RE OUTSIDE THE ENTIRE WORLD?!"

The Player nodded.

Undyne's face lit up.

**Undyne:** "THAT IS SO AWESOME!"

She immediately started asking questions.

**Undyne:** "Can you fight?!"

**Undyne:** "Can you see other universes?!"

**Undyne:** "CAN YOU CONTROL THE WEATHER?!"

Alphys grabbed her.

**Alphys:** "U-undyne!"

**Undyne:** "WHAT?! I'M CURIOUS!"

---

## ALPHYS

Alphys was completely overwhelmed.

She was staring at the Player like she'd just discovered the greatest scientific breakthrough in history.

**Alphys:** "You're... you're actually real..."

She frantically wrote notes.

**Alphys:** "You're outside dimensional space..."

More notes.

**Alphys:** "You're observing our universe from an external reality..."

More notes.

**Alphys:** "And somehow you can interact with our timeline..."

She looked at the Player.

**Alphys:** "Can I study you?"

The Player shook their head.

Alphys immediately panicked.

**Alphys:** "S-sorry!"

---

## ASGORE

Asgore approached slowly.

He looked at the Player with a mixture of curiosity and sadness.

**Asgore:** "So you have watched us."

The Player nodded.

Asgore lowered his head.

**Asgore:** "Then you have seen everything."

He looked toward the monsters.

**Asgore:** "Our war."

**Asgore:** "Our exile."

**Asgore:** "Our suffering."

Then he looked at Frisk.

**Asgore:** "And our hope."

He smiled.

**Asgore:** "Welcome."

---

## METTATON

Mettaton immediately shoved himself in front of the Player.

**Mettaton:** "DARLING!"

The Player jumped.

**Mettaton:** "You have watched my performances!"

He struck a dramatic pose.

**Mettaton:** "You have seen my body!"

Another pose.

**Mettaton:** "My glamour!"

Another pose.

**Mettaton:** "My BEAUTY!"

Mettaton suddenly grabbed the Player's hands.

**Mettaton:** "AND NOW YOU GET TO SEE ME IN PERSON!"

He immediately started planning a show.

**Mettaton:** "This changes EVERYTHING!"

---

## NAPSTABLOOK

Napstablook slowly floated toward the Player.

**Napstablook:** "oh..."

They looked embarrassed.

**Napstablook:** "you're real..."

The Player nodded.

Napstablook looked down.

**Napstablook:** "um..."

A pause.

**Napstablook:** "thanks for listening to my music..."

The Player smiled.

Napstablook became slightly happier.

**Napstablook:** "that's nice..."

---

## MONSTER KID

Monster Kid was absolutely amazed.

**Monster Kid:** "YOU'RE THE HUMAN WHO CONTROLS FRISK?!"

The Player nodded.

Monster Kid immediately became excited.

**Monster Kid:** "THAT'S AWESOME!"

They ran around the Player.

**Monster Kid:** "Can you make me stronger?!"

Undyne yelled from across the room.

**Undyne:** "NO!"

Monster Kid stopped.

**Monster Kid:** "Aww..."

---

## MUFFET

Muffet calmly approached.

She looked the Player up and down.

**Muffet:** "So you're the mysterious customer who has been wandering around my Underground..."

She smiled.

**Muffet:** "I wonder..."

She leaned closer.

**Muffet:** "Would you like some spider pastries?"

The Player nodded.

Muffet smiled.

**Muffet:** "Excellent."

---

## GRILLBY

Grillby simply stared at the Player.

The Player stared back.

Grillby placed a drink on the counter.

The Player accepted it.

Grillby nodded.

**Grillby:** "..."

Everyone looked confused.

Sans shrugged.

**Sans:** "that's basically his version of saying hello."

---

# FLOWEY

Flowey was different.

He didn't look excited.

He looked terrified.

He stared at the Player.

**Flowey:** "You..."

The Player looked at him.

Flowey's petals trembled.

**Flowey:** "You're the one."

He remembered.

The resets.

The SAVE files.

The timelines.

The countless times the Player had controlled Frisk.

Flowey slowly backed away.

**Flowey:** "So you really were there..."

The Player approached.

Flowey suddenly became angry.

**Flowey:** "YOU THINK YOU CAN JUST COME HERE?!"

His vines erupted from the ground.

Everyone prepared for battle.

But Frisk stepped between them.

Flowey froze.

Frisk shook their head.

Flowey's anger faded.

He looked at the Player.

Then sighed.

**Flowey:** "...fine."

He looked away.

**Flowey:** "Just don't reset this place while you're here."

---

# ASRIEL

Asriel approached quietly.

Unlike Flowey, he wasn't afraid.

He smiled.

**Asriel:** "I've seen you before."

The Player looked surprised.

**Asriel:** "Not exactly you..."

He looked toward Frisk.

**Asriel:** "But I felt you."

Asriel smiled.

**Asriel:** "You were always there."

The Player nodded.

Asriel looked relieved.

**Asriel:** "I'm glad we finally get to meet."

---

# THE FINAL REALIZATION

Everyone gathered around the Player.

For the first time, the monsters understood something important.

The Player wasn't a god.

The Player wasn't a monster.

The Player wasn't a human from their world.

The Player was something completely different.

A being from **outside their reality.**

Someone who could observe their world.

Interact with it.

Change it.

And, most importantly...

**Choose what happened next.**

Sans looked around.

**Sans:** "well..."

He shoved his hands into his pockets.

**Sans:** "guess we're gonna have to update the rules."

Papyrus raised his hand.

**Papyrus:** "RULE NUMBER ONE!"

Everyone looked at him.

Papyrus pointed dramatically toward the Player.

**Papyrus:** "THE PLAYER MUST JOIN THE ROYAL GUARD!"

Undyne immediately shouted:

**Undyne:** "APPROVED!"

Alphys sighed.

Toriel laughed.

Asgore smiled.

Mettaton began planning a television special.

Napstablook quietly floated nearby.

Frisk stood beside the Player.

And Chara watched everything with a knowing smile.

Then Chara whispered:

**Chara:** "Welcome to our world."

The portal behind the Player began closin

g.

Alphys noticed.

**Alphys:** "W-wait!"

The Player looked back.

Everyone suddenly realized that the Player might have to leave.

Frisk reached out.

Chara stepped forward.

Sans looked serious.

Papyrus looked worried.

Toriel smiled sadly.

Then the Player stepped forward again.

The portal stopped closing.

A message appeared across Alphys' machine.

> **EXTERNAL ENTITY HAS BEEN GRANTED ACCESS.**

Everyone stared.

Sans' grin returned.

**Sans:** "welp."

He looked at the Player.

**Sans:** "looks like you're stuck with us."

Papyrus threw his arms into the air.

**Papyrus:** "WELCOME TO THE UNDERGROUND, PLAYER!"

The entire Underground erupted into celebration.

And for the first time...

**The Player wasn't controlling the story.**

They were finally **inside it.**