It all started in a lab. Not as dark an evil as most stories have, but a lab nonetheless.
It started because of humans; what doesn’t? One specific human. Tally. He was working with axolotls to study them. Tally would’ve preferred to leave them be and feed them, but studying how they react to different things was just part of the job.
After researching and mixing different chemicals for who knows how long, he had his next test ready. He put a few drops of this new substance into an axolotls tank and waited.
It must’ve taken some time for anything to take effect, because Tally woke up at his desk well after his shift