My curse didn't work or waits for the "right" moment?

[Zenifon]

yeah I think launching sigils takes a short time imo for physical injuries.

Black eye story

Some horrible little bastard I knew was making things difficult for me, basically I felt I was being bullied. I wrote out a sentence of desire for someone to give him a black eye. I launched the sigil. Lets call this guy X for sake of the story. A few days later a mutual friend said hey have you heard what happened to X? I said no what? He said that X was now in hospital because he was playing football and an insect bit him. He has a big black mark on his leg. This is the UK where this so…

I’ve never had a Demon go to work on a bully but i’m open to doing that.