The Blue Guardian
Undertale & Rise of the Guardians Crossover
Summary: The Boogeyman has returned and he's stronger than ever. However, there's one tiny problem. He's not alone. Of course the Guardians are there to stop him. But they're not strong enough. A new Guardian is chosen to defeat the beings of fear and determination. But he has given up on fighting.
The Underground
(A/N): Contains spoilers! I suggest you either go play Undertale or watch Rise of the Guardians before reading.
Undertale belongs to Toby Fox and Rise of the Guardians belongs to William Joyce.
There was an awkward silence.
His name is Sans.
"Sans, like the text font, Sans?" Jack questioned, confusedly.
Exactly.
"Well, as long as he protects the children, right?" Toothiana said, cautiously.
Sandy formed an exclamation mark above his head using his sand while he stared at the hologram in surprise.
North blinked, confusedly as he glanced at his fellow Guardians.
"Oi! Why da bloody hell would ya choose a skeleton of all things to be a bloody guardian?!" Bunnymund yelled suddenly.
Please calm down, Bunnymund. I chose Sans for a reason.
"An' what reason may that be?!"
You don't understand. It's not my story to tell.
Bunnymund only looked more irritated. "Yeah, Bunny. I mean, Manny never broadcasted our stories when we became Guardians." Jack spoke up, not looking at the others.
"I agree with Jack. Bunny, you have to understand. Maybe Sans will open up to us in time. But you can't just force someone to tell you their past." Toothiana agreed, glaring at Bunnymund as she crossed her arms.
Her mini daughters agreed with her as some flew up in Bunnymund's face, daring him to disagree with her. He backed away from the angry fairies. "Oi! Stop it! Alright… Fine."
He promptly stood up and stomped away from the others, choosing to stand by the fireplace. "So, how are ve going to get Sans here at the Pole?" North questioned, stroking his beard in thought.
"Well, do ya have any ideas, North?" Bunnymund grumbled.
"I got it!" North exclaimed, looking very excited.
"Ve will use the sack!"
"HEY! No one likes being shoved into a sack and tossed through a magic portal!" Jack objected.
"Nonsense! It works!"
"Boys! Calm down! Let's discuss this like civilized beings, alright?" Toothiana scolded the two bickering males.
They both quieted down and sank back into their seats. "Oi, Manny. Where is the bloke anyways?" Bunnymund questioned, still irritated.
Sans is currently in the Underground.
The Big Four's faces lit up with wonder. Jack only looked confused. "Underground?" He spoke.
Yes. The Underground is a large region underneath the Surface of the Earth, which houses the kingdom of Monsters. The exit from the Underground is blocked by the Barrier, which was placed by Humans ages ago.
"How did the Humans place the barrier?"
Back then they practiced in magic. The Humans went to war with the Monsters. The Humans won, driving the Monsters into the Underground. Then they placed the barrier.
"Monsters are real!" North whispered, in awe.
"How come I never heard of this?" Jack questioned.
The Monsters were sealed long before you were even born Jack. Only the oldest of us remember them.
Jack glanced at the other Guardians, who nodded, not looking him in the eye. "So you never bothered to tell me?"
"Jack, listen. We thought that was only a story. None of us existed when they were on the Surface." Toothiana tried to assure Jack, but her guilt was evident.
Sandy made up a bunch of sand symbols. "Jack, please understand. We didn't mean to upset you. We weren't sure of the Monsters existing ourselves."
"…Alright Sandy" Jack pulled up his hood, hunching over in his seat.
"Vell, let's send Jack to the Underground to fetch Sans!" North proclaimed.
"What?!" Jack shot up from his hunched posture, hood falling back.
"I agree with North. Jack, you deserve to know more. But there are things that even we do not know. The entrance to the Underground is a giant hole in Mount Ebott." Toothiana agreed.
"Fine, I guess I'll go." Jack sent a false smirk of confidence towards his fellow Guardians.
Apparently they fell for it, since they sent him looks of pride.
With that being said, Jack walked over to the open window. He then called out to his best friend. "WIND! Take me to Mount Ebott!"
The Wind gladly plucked Jack off the floor and swung him into the air as he sped towards Mount Ebott, laughing as he flew with the grace of a snowflake.
(A/N): Second chapter! Please leave a favorite or a review. Those fill me up with DETERMINATION to keep writing! Thanks for all the reviews, favorites, and follows! I love you guys. I am a 14 year old girl and I am in grade 9. I currently have Academic Geography, Math, French, and Physical Education/Health. I have lots of schoolwork to do, but the DETERMINATION that you have graciously shared with me has given me the power to finish my schoolwork and write all of you lovely people another chapter! Thank you all so much. Love you all!