Pokémon - Ruined Sapphire

So, I've gotten my hands on Pokémon Sapphire, my cousin gave it to me, with a Nintendo DS Lite, it contained a few other games, but the ones that interested me the most, were Pokémon FireRed, And Sapphire.. I've booted up the Sapphire copy, and to my surprise, everything was alright, until the dialogue box appeared, indicating that the battery has run dry, and I needed to get a new one, I was completely aware of this, that berries wont grow and stuff.

But what happened next, shocked me, The game had a save file on it, and it was a female trainer, the name was Eric, and I spawned, in the Elite Four, On the stairs, on the way to the Pokémon Champion, this case being Steven, I checked my team, and the team seemed okay, a level 47 Swampert, Seemed okay, I thought. Up next came an Exploud, level 43, But.. something was off of him, not because he had the Cacophony ability, But his sprite, he had a few minor barely noticable bruises, and his face, kinda spooked me, it was in pain, it had a dissapointed face, as if it was in pain, and its cry was, off.

Apparently I realised that the cry was off, so then I got my laptop, googled "Exploud Cry" and I got it, and listened to both of them, compared them, and it all got together, the Exploud is in pain, big pain, it was on 1 health point, and seemed sad, dissapointed, abused.

But then, I checked my next member, it was a Linoone, Level 34, which was in rough shape, too, it was a shiny, but, aside from it being in rough shape, it wasnt just in rough shape, it has actually noticable scars, its eyes were all black, as if it did not have any, as if it was a shell. Coincidentally, it had -/132 health... I thought, "How is it possible? Pokemon Faint, They do not die... This isn't a nuzlocke.. or anything?"

Then, I checked its status, it said "DEAD" right next to it, explains all of the brutal scars and the black eyes.

Then came an Aggron, Level 45, It did not have any scars or anything, but some of limbs were missing, its left arm, right leg, and the parts which connect the left arm, and right leg, have corroded. Some of Aggron's helmet was corroded too, and Aggron's eyes, The main color wasnt blue, and the pupils weren't black. Its main eyes seemed weaker... and right as I exited the menu, the eyes turned black, for a frame, and it had 2 health left.

And the last Pokémon, which was surprising, was Pikachu, instead of the normal all yellow tail, it has a black tip, on the end of its tail.

And Pikachu seemed happy, as usual, it had no bruises, or even scars, which was surprising, and it had maximum health.

Then readied checked my BAG, I had 0 items, berries, TM'S/HM'S, nothing, it was all cleared, except for Key Items. It had all of the important key items.

I tried to get away, and come back, but it wont let me, if I tried to get out of the room, which holds the stairs so the champion room, a dialogue box appears, and says "You've done too much, you cant go back."

So, I entered Steven's room, but right as I did, the screen flashed, black and white very rapidly, thankfully I did not have epilepsy, but right as the screen flashed, it entered some glitchy text, so much glitchy text, it was all question marks, but thankfully, there were some letters, I was curious what they meant, so I wrote them all down, it translated to "SUFFER", in the middle of the screen flashing, it made the GBA crash sound, and everything stopped.

The game did a soft reset, automatically, I did not even press any of the buttons, And I started my save file, but this time, I was not in the Pokémon League, at all.

I was in Sootopolis, Then I came right next to a house, and I entered a wild battle, it said "A Wild RALTS Appeared!" Apparently, it was in horrible shape, it missed both of its arms, blood was dripping from its arms. But something seemed off, instead of sending out Swampert, or any of the other Pokémon, excluding Pikachu, I sent out Pikachu, and it said "I choose you, PIKACHU!" and the Pikachu, was feeing great, I chose FIGHT, And there was only one move, it said "NIGHTMARE", And when I checked the move's power, it said "FATAL", and instead of it playing normal battle music, it played Mt.Pyre's theme.

I pressed on NIGHTMARE, and what happened was horrifying, there was a static-y backround, it intestified, more, and more, and even more. until it lead out a really loud, slowed out version of a Ralts cry.

The game soft resetted again, and my character was in my bed, in Littleroot, it was silent, But I came down, and instead of Mom, I saw Pikachu, and there was no door out, I could not get out, and every time I resetted the game, Pikachu, was still there.

If I went to talk to Pikachu, he'd do his cry, when I interacted with him, it transported me to a cave, similar to Altering Cave, from Emerald, but there were no Zubats, no, there were sprites of decapitated Pokémon, their limbs all over the place, And there was no exit, and Pikachu teleported to my character, a text box appeared, and he said:

"You let them suffer, didn't you?"

"Too bad, I thought we could be great pals."

"You tortured them."

"You've grown pale, haven't you?"

"Good."

A cheezy jumpscare of Pikachu appeared, as static from before came back, and Pikachu Teleported behind my character, the screen turned black, and the static stopped, a Doom Desire sound effect would play, and the game resetted, the game would soft reset, once again, and there was no save, at this point I was scared, and I called my cousin, and I asked her, where did she get the Nintendo DS, and the games. She said she bought them with her parents for me. As a present, or whatever, I told her what happened and she was as shocked as I was, at this point I dropped the game, but kept the Nintendo DS, and that experience was stuck in my head, thats why each time I heard of the name Pikachu, or Sapphire, in general. I'd get reminded of the same, but chilly experience.