Chat we know that after Rachel usually gives out a prophecy she sorta collapses and is exhuasted. Fatigued even. I wanna add to that.
So like if she gets visions she should get a headache. Because information about the future is sorta rushing to her head. Also there should be a time that in TOA, when she gives out a prophecy, She gets a seizure after. Basically I think she should have a TAD bit more side effects but Idk