But little did the steam trains know, the diesels and the human had already reached the destination they are heading at.
They entered another cave that was off-limits for anyone or any diesels or steam trains to enter.
Ignoring the warnings, they traveled farther into the cave, heading towards where they wanted to go.
Luckily, all of them had lights to see where they are going.
As soon as they reached the darkest area of the cave, they noticed the other side of the tunnel was blocked.
And it was another gate.
It was made out of black crystals and completely blocked the other side, as there were ancient Japanese carvings.
They were slightly amazed at how the gate was made out of, before getting close to it.
"Uh, boss?" Splatter spoke, asking a question after a few hours of silence. "How are we going to go through that?"
"Remember, stupid?!" Diesel 10 snapped, his pincher moved up from on top of him from command. "I have Pinchy with me! It's just easy like a piece of cake!"
"Yeah, listen to him, Splatter!" Dodge giggled in a mocking tone, as Splatter blows a raspberry at him while frowning.
"Oh, get a grip on, you two!" snapped the black diesel, moving backward and bumping into them to make them stop. "We are here to accomplish something! So, pay attention!"
The two diesels growled at each other as Diesel 10 got up closer to the gate slightly, positioning to do his dirty work.
"Now," Diesel 10 grinned, as the pincher on top of him moved up, snapping together. "Let's get down into business."
Without any command, his pincher shot forward like a rocket and gripped the gate like a crab.
Small cracks formed on the surface of the gate from the tight grip.
Once he gripped it, he tried yanking it out of the ground and from the tunnel by moving backward with his speed as the others behind him moved back to let him have room, but was firmly stuck!
Diesel 10 grunted and gritted his teeth as his wheels screeched from underneath him on the rails, trying to get the gate out.
"Come on, Diesel 10!" encouraged Diesel. "You got this!"
"Yeah, go for it, boss!" Splatter and Dodge agreed.
Diesel 10 grinned and continued trying to the best he can, his cheeks red and struggling.
Then there was trouble.
Small black electricity sparks sparked from the gate and spiked through Diesel 10's pincher, before spreading all over his body!
Diesel 10 was electrocuted from the gate and shot back as his pincher released the gate while crying out.
He crashed into the black diesel from behind him, as he bumped into the others.
"Grease and oil!" exclaimed the black diesel. "What happened?"
Diesel 10 coughed a little after being electrocuted before shaking his body.
"Nothing, Diesel!" he snapped as his pincher shook its head too. "I just… planned that!"
Diesel, the name of the black diesel, rolled his eyes along with Splatter and Dodge.
They all knew that was not planned from Diesel 10.
"Bullroar!" snapped the human from inside Diesel's cab, before coming out. "That must 'ave been magic."
The tone of the human's voice sounded like a sailor's accent.
"'Magic?'" Splatter repeated in confusion. "I thought there was no such thing as that. It's the 21st century."
"Well," the sailor spoke, mentioning to the gate as it zapped with black electricity. "Ye be lookin' at it now."
Splatter and Dodge slowly backed away from the gate, heading only a few feet away.
They are worried to be electrocuted too from the gate if they bash into it.
Diesel and Diesel 10 grumbled in anger after the gate stopped electrocuting for a moment.
"Now what?" Diesel groaned. "We can't just ram it! It'll also electrocute us too!"
An evil smile appeared on the sailor's face as he reached into his jacket's pocket and pulled out a stick of dynamite.
"Leave that t' me." he grinned.
He walked over to the gate as close as he can without touching it and placed the stick of dynamite underneath the hole of the gate, before taking out some matches, lighting the stem on fire.
Once it was lit up, the sailor quickly ran towards a safe hiding place of the tunnel, before hiding behind a rock.
The diesels all backed away from the gate before hiding behind a wall from the corner of the rails.
A massive blast erupted from the cave with a loud noise, as smoke and dust flew out.
The ground underneath their bodies shook slightly, before stopping.
The sailor peeked over the rock he was hiding behind as the diesels opened their eyes, before laughing.
"Let's see if that did th' trick." the sailor grinned.
They reentered the cave and noticed the black gate was down, but the way through the other side was really, really dark.
"Whoa," Diesel 10 remarked. "That's really dark."
The sailor struck a match and lifted it up to his eye-level, seeing it was still dark.
With one puff of his breath, the sailor blew the flame out and turned towards the diesels.
"Let's get a move on." The sailor spoke, climbing into Diesel 10's cab, before warning, "But, stay close t' each other. Thin's are nah wha' it seems in these caves."
The diesels nodded and went deeper into the caves, turning their lights on to show their way through.
They turned corners and went down short drops along the tracks, before reaching a more open area inside the cave, that is semi-filled with black crystals.
But, at the tallest top of a mountain of crystals was a cloaked human figure.
The figure was sitting on a handmade throne made of the crystals.
The sleeping figure was sleeping as he had his head dipped down slightly, but could make out his body.
He has long jet-black hair that covers his left eye and reaches down to his shoulders.
The cloaked figure also wears dark armor and a black cloak that reaches down to the bottom of his feet.
On his head was a gray crown, and behind his back, is a sword with a black handle.
Slowly, the figure woke up, noticing the diesels and the sailor as he came out of Diesel 10's cab.
"Answer my question," he loudly growled, staring down at them with cold gray eyes. "Who. Are. You?"
"I am Sailor John." the sailor answered, sounding slightly scared while bowing down to the crowned figure.
"And I am Diesel 10." Diesel 10 nervously grinned while moving his body down slightly as if he was bowing to him too. "These three are Diesel, Splatter, and Dodge."
They followed along with the two while shaking a little nervously.
He stared at them for a moment with cold eyes, before chuckling.
Slowly, he stood up to his feet and jumped from his throne, doing a superhero landing on his feet.
To their amusement, he did not crack any of his ankles or breaking his legs.
After he had landed on the ground, he slowly stood up to his full height, as his cloak covered his body around him.
To Sailor John's slight surprise and amusement, he was a foot taller than him, reaching about 8 or 9 ft tall.
"I am pleased you all freed me from my prison," he bowed slightly towards them. "My name is King Azazel, ruler of darkness."
"Nice ring," Diesel remarked, smirking slightly. "Your highness."
King Azazel chuckled and placed his hands together, glancing around at his surroundings, noticing the cobwebs and dust all around.
"How many years have passed since the battle?" he mumbled to himself.
"What are you talkin' about?" Diesel 10 asked.
King Azazel growled, turning swiftly around towards Diesel 10 with slight anger.
"The battle between Light and Dark. Don't you all know about the great battle?!" He growled, scaring Splatter and Dodge a little as they slowly backed away from him. "What year is it today?"
"Th' year be 2022, yer highness." Sailor John answered, bowing slightly to Azazel again. "'n, thar was no such thin' as th' 'Battle Between Light 'n Dark' in th' history books."
King Azazel sighed and rubbed his temple with his clawed fingers of his right hand.
"Of course," he growled. "It seemed my relative of mine had erased everything in despair over what had happened to my sister."
Sailor John and the diesels looked confused, raising an eyebrow after what he mumbled.
"You had a sister?" Splatter asked.
King Azazel glanced over at them and snarled, baring sharp canines towards them as a warning to be quiet.
"No!" he snapped, stamping his foot, which created cracks on the ground, causing them to jump a little. "I don't have a sister! She's just someone in my way."
He turned his head away and glanced down at his hand, clenching it.
"I need more power." he sighed. "I am weak after that banishment from that relative of mine."
Splatter, Dodge, Diesel, Diesel 10, and Sailor John thought to themselves for a moment, wondering a way to get his power back.
"Maybe try to find a better crystal?" suggested Dodge.
Suddenly, Diesel 10's pincher smacked him in the face, causing him to wheel backward in pain.
"No, stupid!" snapped Diesel 10. "Something else than that!"
"Maybe some powerful magic books?" suggested Sailor John.
"Where do you think we could find those, hmm?" Diesel 10 growled. "There is no such thing as magic books!"
Soon, all the diesels and Sailor John got into a heated argument, arguing over what is better for King Azazel to regain his powers.
He was back on his throne after using some of his leftover power to shrink his high throne down a little, watching the diesel snapping at each other and Diesel 10's pincher smacking Splatter, Dodge, and Diesel in the faces, as Sailor John snapped and stomped his foot in a fit.
Groaning, King Azazel rubbed his temple again, mumbling, "I'm surrounded by idiots."
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