[quote=@Audacious]
<Snipped quote by Legend>

I mean caused by something they did. There’s no way they always existed that way, dangerous magic can’t be something people are born knowing.
[/quote]

Ah, likely not. My hypothesis is that as their food supply dwindled, they turned to riskier arts. On a positive note, all other creatures on the planet had starved, so there was no natural threat to the population.