The bro has noticed that you began to feel angry or nervous and you have been getting more headaches and have been eating very less, so everyone were getting worried. Lucifer decided to let Diavolo knows along with Barbatos. So they decided to make a meeting that would be called important so you had to attend

Actually you were in the meeting room in RAD and Diavolo, without Barbatos because he had asked him to leave so he had to, Diavolo were staring at your tired face with a concerned look