That is a little to potent.
I don't have a problem with you (At level 20) being able to make illusions so realistic that people can actually think they're real..
Like, stabbing someone with an illusionary dagger and them actually reacting as if they had been stabbed. Strong willed people aside.
“She'd become a governess. It was one of the few jobs a known lady could do. And she'd taken to it well. She'd sworn that if she did indeed ever find herself dancing on rooftops with chimney sweeps she'd beat herself to death with her own umbrella.”
― Hogfather