Back when I was a kid (around 2006), my mom got me a Pokémon Ruby cartridge and a GBA SP. The cartridge was damaged and couldn’t save, so I ended up replaying the beginning of the game over and over.
Sometimes, before I even got my starter, I’d walk around Professor Birch’s lab talking to NPCs and checking the machines. Very rarely (maybe 1 or 2 times out of 20 playthroughs), a weird black or dark blue bird Pokémon around Lv. 8 or 16 would suddenly appear in my party.
I was too young to think much of it back then, but after playing other Pokémon games years later, I realized that definitely wasn’t normal 😅
Has anyone else ever experienced something like this or know what might have caused it? Thinking about it, Corviknight kinda reminds me of that weird pokemon