what clichés do yall hate in "transmigrated into a villainess" stories

i know its mega cringe but im planning to write a fanfic based on that certain type of plot and i wanna know what ppl hate ab villainess isekai stories. i also wanna hear what yall honestly want to be added/removed in those manhwas, what yall think is corny and whats not. if there are any world building in those manhwas/mangas that you wish could be different, etc. basically i want to hear any and every idea and opinion.