Underearth/Book 4/Chapter 17

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The elevator doors slid open as it arrived at the R3 station. Stepping out, Frisk followed the path up to the MTT Resort, situated at Mount Hot's summit.

As he approached the posh building, the voice of the machine echoed within his head.

"GO DOWN THE ALLEY TO THE RIGHT OF THE BUILDING." it said.

Changing course, Frisk approached an alley next to the resort. On one side was the building, on the other was a chasm that saw no visible bottom.

At the end of the alley, Frisk found an opened manhole with a ladder that led down. Stepping down the ladder, the section below was cool; cooler than it was above, at least. Investigating the place, it looked like a complete dump, with many items that would fit right in at the garbage dump near the Quiet Village out on display. At the opposite end of the area stood an old, rotted wooden desk. Carved into a corner were the words "Bratty & Catty".

"MOUNTED ON THE WALL BESIDE THE ROTTEN DESK IS WHAT WE SEEK."

Looking to the wall beside the desk, Frisk spotted an old, antique revolver tucked inside a heavily rotted holster.

"A gun?" Frisk said. "How's a gun gonna help? Is there any ammo lying around?"

"THE GUN WAS ENCHANTED LONG AGO TO CHANNEL AND PRESENT MAGIC. IT WILL FOCUS YOUR MAGIC INTO DIRECTED ENERGY."

"I see..." Frisk grabbed the revolver from the wall and strapped the holster to his leg. With none of the remaining garbage catching his interest, he climbed back up the ladder and made his way into the MTT Resort.

The story within was the same for everywhere else. Completely barren of apparent life. Electing to ignore the place, Frisk proceeded through, across the bridge behind the MTT Resort, and into Helios Station.

For the first time he had ever seen, the doors in Helios were closed. All of them, save the teleporter in the middle of the room.

"So, you've finally arrived..." a voiced sounded throughout the room.

"And yet, you're hiding." Frisk said. "Why not show yourself?"

"The teleporter is open. Come and face me. I wait in the control room." the speaker then screeched as it shut off.

Frisk, not wanting to keep such a welcoming host waiting, stepped into the teleporter, and was promptly transported to the end of Helios, next to the control room. Its door, too, lay wide open. Looking in, all Frisk could see was an ominous pink light amid the darkness.

"Tell me something," the figure in the control room said as Frisk walked in. "did you enjoy it? Murdering everybody who fled from your slaughter? Murdering everyone down there, each and every one of which *praying* that you would never find them? Murdering the one who promised them salvation from your butchery?"

Frisk chuckled a bit. "I wouldn't really know." he said.

"I see..." the figure said after a brief pause. The figure then brought their hand up and pressed a few buttons on the console beside them. After a few seconds, entire sections of the domed walls around flashed online, glowing a bright ivory color. As this happened, both doors leading to and from the control room slammed shut, locking as they did so. "I am Mettaton" they said, pressing a button that caused the console to retreat to one of the far walls. "and I'm about to avenge *everyone* you tore to pieces down in that lab."

Mettaton raised their right arm, which ended in an arm cannon, pointing the end at Frisk. The barrel then began to glow, quickly firing a beam of energy from it straight at Frisk, who leapt out of the way right before it fired.

Frisk looked up at the now illuminated figure of Mettaton. The only resemblance they had with the form of Mettaton he'd last fought was minimal. The arm cannon, which before featured an elegant design, was purely utilitarian. The neon wings they featured before were now replaced with metallic spikes with thrusters attached at various points. Their entire body, in fact, was completely utilitarian in design. Even what was originally a Human-like face had been replaced with what looked like a couple cameras and a speaker. Within the belly area was a glass canister with a white SOUL and an orange SOUL circling one-another.

As soon as Frisk gained his footing, he charged Mettaton, a flame in his eyes and his hand. Mettaton, in turn, brought their arm cannon to face him and fired. Misjudging the speed of the cannon, Frisk was hit with a beam of red light. The beam burned greatly, like standing too close to an open flame or resting for too long in the sun. Collapsing, Frisk looked at where he had been hit. The cloth was burned away, and his skin was black and smoking. Mettaton then fired again, sending a laser straight through his head.

"Incredible!" Mettaton said as Frisk collapsed to the ground, completely limp. "That Human was right! This thing *is* powerful."

A large golden orb formed behind Mettaton.

"What the—" Mettaton said, looking back at the orb. When the orb collapsed, Mettaton stepped backwards as Frisk ran from it, drawing the revolver on his hip and shot a few rounds himself. Of the rounds fired, two hit their mark, one in Mettaton's left shoulder, another in their right leg.

As Mettaton collapsed to the ground, they let off another shot from their arm cannon, which pierced through Frisk's chest, killing him with the scorching of his heart.

Mettaton, seeing the Human collapse again, shot paranoid looks around the domed room. Another orb spawned, prompting them to raise the cannon and preemptively fire into it. When the orb collapsed, Frisk sprinted out, unscathed from the blasts shot in.

Closing the gap between the two, Frisk continued firing the revolver, its shots piercing more sections of Mettaton's body, with one shot going through the glass canister in their gut, piercing the white SOUL within.

Upon being pierced, the white SOUL shot around its container violently before shooting out completely and expanding into a larger, sheet-like object, with a small point of light inside a deep, black hole staring at the machine it'd just emerged from. As the ghost emerged, the robotic body collapsed, going limp.

Seeing the ghost emerge, Frisk pointed the revolver at it and fired three shots, each of which shot through it, leaving gaping holes where they flew through.

The ghost simply hovered there, a sense of shock growing deep inside it as it slowly drifted to the ground. Just before touching the ground, the ghost turned to dust.

Frisk walked over to where it had dusted. As he looked at the ground, Mettaton's robotic body began moving slightly. Catching sight of it, Frisk raised his boot and smashed through the glass as soul magic coalesced to his sole, crushing the orange SOUL into nothing.

With Mettaton dead and the orange SOUL destroyed, Frisk walked over to where the console had retreated and released the door locks, prompting the doors to open. With the way clear, Frisk continued onwards and boarded the elevator which shot him up to Elysium.