Pokemon's mysterious journey

---One week ago, in the Alola region---

In a cave full of darkness, ghost Pokémon sped by, popping in and out of the shadows, often playing, laughing, scaring and eating with each other. Amongst these Pokémon was a smaller one, with orange eyes peeking out from the shadows of other Pokémon observing their moves and memorising them.

It seemed to go undetected as it watched Pokémon fight from within their shadows. It would then spend its time in a solitary cave off to the side where it would eat. It spent all its time copying the moves it learnt during the day until it got strong enough to surpass the original user.

One uneventful day the sun was setting, and this certain Pokémon decided to venture deeper into the cave where all the other ghost Pokémon were. From the shadows it heard of a ghost world only other ghost Pokémon could enter that lead to other regions full of different Pokémon.

Having a craving for new and stronger moves it was immediately interested in this ghost world. It had already copied all the moves worth learning in this place and was getting tired of staying here. Following one of the ghost Pokémon that was heading towards the portal they soon came upon a dead-end and before it could flare up at wasting its time, the Pokémon it was following picked up a certain stone and tapped it on another which to the observing Pokémon's surprise created a ripple in the stone wall, as if it was water.

The ghost Pokémon walked in after a little while followed by an intrigued extra passenger. As soon as they walked in the Pokémon saw a completely different world, dark sky with no moon or sun, no clouds, purple sand, and rocks everywhere, and a faint trace of ghostly energy in the air. The Pokémon forgot to follow its guide and stood there taking in the scene for a while.

It was monotonous after a while since the scenery didn't change, it was perpetually stuck like this. No wind no smell it was just eerie and quiet. It headed towards a group of Pokémon that stood around a pillar fighting each other. It was initially excited since there were probably new moves to learn but upon arrival, it was disillusioned. All the moves that were being performed were ones he didn't deem worthy of memorising.

It stuck around to figure out where it could find the portals to other regions since that was its goal. Days went by, monotonous and boring just like the last. There were only fights, training and eating with nothing new insight to hold its attention. It had spent a whole week without finding the way to another region and it was starting to believe that the news was fake.

As it was contemplating a shadow looked above him before dragging him out of the shadows. It was a big Gengar followed by a haunter and ghastly. Initially frightened it ran away before looking back to see the trio hot on its trail. It had seen this species of ghost type Pokémon and knew that it had weak defences but outrageous attacks.

Gengar who was the leader threw shadow ball after shadow ball to no avail, none of them hit. It began to use all its moves which were helpful in expanding the Pokémon's arsenal of moves slightly. After having memorised everything, it turned around and flew towards the trio before performing the moves just like they did but more powerful. The trio were astounded and shocked at the sudden turn of events. Even when it was three on one, they found themselves completely outmatched.

Having realised that they were not going to win they fled back the way they came. This went on for a couple of days, it was a cat and mouse chase, on one side were the aggrieved and tired trio who regretted their actions, and behind them was a tiny monster charging at them with monstrous attacks.

They had never seen a Pokémon learn so quickly and reproduce it with equal or more strength than them. They knew that they might lose it if they went back the same way they came and therefore changed direction and headed towards the porta they arrived in.

Another half a day went by, and it could be established just how big the place was. Soon the trio who were scared shitless finally found the portal they took and jumped in without a second thought.

The Pokémon that was following was stunned and excited since unknowingly, it had been chasing them towards a portal that was different from the one it came from, which meant a new region. Without hesitation, it jumped and lost sight for a moment before regaining it. It looked around to see stone walls and tombstones everywhere with a staircase leading upwards and one leading downwards.

Being in an unfamiliar place made it uncomfortable and therefore jumped into the shadows before observing its surroundings. There were weird looking animals standing on two legs with black for and a patch of red on their front in a weird shape. It had never seen them before. But before it could investigate it saw a man walk up from the stairs with a powerful aura.

The Pokémon was stunned speechless, it had never felt this aura on anything before and there was another more powerful one right behind it like a shadow. It felt intense fear as it looked at the man and Pokémon. But what it saw next made it gasp in horror, the man and Pokémon worked completely in sync and killed everyone in the room before walking upwards without care.

It was shocked and curious at the same time; it was confident in its abilities to hide and therefore decided to follow.