Thank you for all your feedback with the Good Flowey/Bad Flowey thing! Good Flowey it is! (I do not own Undertale, Undertale belongs to Tobyfox)
Thankfully, Frisk was able to grab Flowey before Undyne grabbed him and booked it. He didn't want to think about what would've happend if he was able to snatch Flowey up, Flowey couldn't run that fast.
The four of them ran into Waterfall, the Echo flowers close on their heels. Undyne ran fast, taking all the corners sharply without losing momentum. Papyrus was struggling a little to keep up, almost falling behind and being swallowed in the mass of Echo flowers behind them. Flowey was quick though, shooting out a vine that wrapped around Papyrus' waist before easily lifting him up and setting him down right beside Undyne.
Running across the first boarded walkway, Papyrus ran ahead of Undyne, exclaiming a "Follow me!" as the only explanation as to what he was doing. Undyne then followed Papyrus along the remaining length of the boarded walkway, almost falling off when a couple of Echo flowers jumped at her heels in an attempt to knock her over.
Once the four of them were past the obstacles known as a boarded walkway and very tall grass, Frisk noticed a black mist swirling around the area where the mouse hole was located. Surprisingly enough, the crystalized cheese was still present, though that was not the thing that surprised Frisk the most.
The black mist cleared in a sudden whoosh of air, and there stood a plain white door. Papyrus, who was waiting for the mist to clear, opened the door as fast as lightning and ushered Undyne, Frisk, and Flowey inside. They didn't need to be told twice. Undyne bolted through the door, the Echo flowers a metre or so behind her. Papyrus shut the door quickly, pressed against it as he locked it. The door was then enveloped in black mist again, and it was gone as quickly as it had come.
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Papyrus didn't know what came over him when he darted out in front of Undyne, but he had gotten a feeling, a knowing of what to do and where to go. More just along the lines of where to go, he didn't do anything but run faster to lead Undyne to where he knew the door would be. He didn't know how he knew, he had walked past the crystalized cheese numerous times and didn't see black mist, but he knew that it would be there this time.
Leaning his back against the wall where the door had been, Papyrus looked around the room that he had lead his friends into. The room was bright, brighter than Waterfall outside, the lilac walls were also a contrast to the darker blue that coated almost every walkable surface of the world just outside the door.
"Where are we?" Undyne asked, setting down Frisk and taking a look around the room.
"Another secret passageway." Papyrus said standing up and walking over to the far wall.
"That's two so far." Undyne counted as she walked up behind Papyrus. Frisk put Flowey in his backpack and joined them a moment later.
"These are the only two that I know about." Papyrus said, trying to figure out how to access said passageway, "I'm not too sure if there are going to be more."
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Papyrus got the passageway open ten minutes later thanks to brute force and stupidity.
Ten minutes after that, the four of them were walking through a passage that was the same lilac as the room that they had exited.
After ten more minutes, they found themselves climbing out and into a dark room. Dark blue-grey pieces of metal tiled the floor, the walls the same colour as the floor, though the colours melted into each other and became lighter the further up the walls they went. A machine was at the end of the room, wires and cables connecting to it and leading from seemingly nowhere.
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Frisk knew this room, he knew where it was located and what had happend in here. The True Lab located under Alphy's lab in the Hotlands was a sight to behold the first time he came down here.
Fully climbing out of the passage, Frisk walked forward, Flowey in tow, towards the door that lead out of the room. Undyne and Papyrus followed him closely, looking around at everything.
Walking into the hallway, Frisk noticed some differences. Blue papers were strung up all along the hallway, but when he walked up to one to read it he couldn't. The words, if he could even call them that, were all in strange symbols that made no sense and had seemingly no pattern. On a couple of the blue papers, drawings of the Echo flowers anatomy were admist the writing.
"That's my dad's writing." Papyrus' voice broke the ever-growing silence that seemed to envelop the place. His voice, though he spoke in a whisper, seemed as loud as a nuclear bomb drop, even their shoes didn't make as much sound as speaking did.
"Your dad?" Frisk asked. He turned to see Papyrus looking at one of the blue papers that were lining the wall, Undyne nowhere to be seen, though probably further down the hall trying to find something that she could read.
"Gaster, W.D. Gaster." not taking his eyes off the paper, Papyrus gave off an eeriee aura when he said his dad's name.
"Didn't he fall into something?" Flowey piped up from Frisk's backpack.
Papyrus nodded, "The Core, he fell into the Core. Neither his dust nor his body was ever recovered. Alphys was assigned the title of Royal Scientist a few years later..." he trailed off.
From what Frisk could tell, W.D. Gaster probably started fading from everyone's memories, even though he had (supposedly) died in such a horrible way. From what Frisk could remember, there were no guard railings around the drop-offs in the Core.
Undyne came back a few minutes later, silence mixed with tension plagued the air around Papyrus. Something seemed off about him, though Frisk didn't know what.
"Guys!" Undyne said in a voice that ricocheted off every surface that was near them at that current moment. The three of them looked at her with expressions that seemed expecting.
"I found something."
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The writing was too clear. Back in Snowdin, it had been illegible scribbles across the page, but here, the writing was far too clear. Papyrus could make out ever symbol, every word, ever sentance that formed on the paper in front of him, he was able to understand it all. He stood in place, staring at the paper as if his life depended on it. When he heard Undyne approaching, he turned. How was he supposed to explain this to them, then again, this was only one piece to a huge puzzle that he had yet to comepletly fit together, though he was starting to do so quite quickly.
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Undyne lead Frisk, Flowey, and Papyrus down hallway after hallway, the scenery never changing until they entered the room that Undyne seemed equal parts exicted and nervous about.
The room iteself did not differ from anything else in the True Lab, though the contents were brutal. Different parts of different Echo flowers were scattered aimlessly around the room with a neon blue sap covering a portion of the room and it's contents. Cages were stacked up against the wall, their doors ripped off their hinges, some had clattered to the floor and stayed there, someone not bothering to move them back. Three chairs were in the middle of the room, three Echo flowers were still pinned down on them,wriggling, trying to get free from the iron-grip that the straps attatching them to the chair had. The smell was terrible and stung Frisk's eyes and nostrils. The smell even tasted bad as it swirled around them, a mixture of rotten tree, sickly sweet sap, and withering plants.
Frisk wanted to vomit at the sight and smell.
"What is this?" Flowey asked with a cowering voice. His eyes were wide and Frisk felt him trembling.
The Echo flowers responded to the sound of Flowey's voice, stopping for a second before thrashing more wildly against the bindings, attempting to get to the sound and probably snuff out it's source.
Footsteps sounded behind them as they turned and saw Gaster running.
"Run!" Gaster yelled before a hand shot out of nowhere and grabbed him.
"Well, well, well." a new voice said, slow and menecing. "I see that you've found my experiments."
No one dared speak up as the hand was suddenly connected to an arm, then to a torso, then to a body. Flowey let out a strangled cry of fear before ducking behind Frisk's head and hiding his face in his hair. Undyne, Papyrus, and Frisk stood in horror as they all instantly recognized the figure floating in front of them, holding Gaster up by the neck in spite of Gaster being mist.
"Hello, Frisk." sneered the voice of Asriel Dreemur.
Hello, and thank you all for your patience with me with this past chapter, and the chapter before that, and probably the next chapter. Thank you to everyone who followed, favourited and reviewed, everytime I see a notification, it fills me with DETERMINATION.
Now... oaiuqwoiusjhvidhsuilwopoin! (That's gibberish/fangirl talk, don't try to read it.) I had not planned that like that! I just got the idea and I had to write it! It makes some of the plot holes make sense? Right? Maybe not. Sorry, I might have to up the rating for the next couple of chapters, since there might be gore, I'm not too sure, I haven't gotten there yet. The ending of this chapter has now thrown off my other plans and now I have to re-write them. Good job me, good job.
Thank you, and have a nice read!