Causing your Furby to turn evil is quite simple.
You over feed them.
You need to stick your little finger in their mouth and just wriggle away.
Just continue on like that for some time. A minute or so…
Eventually Furby will have a freak out, his eyes will flutter and then ..
That is how to turn your furby evil … job done.
If you’re feeling disturbed by your evil Furby, maybe you want to turn your Furby nice again? Check out this post to do so!