Nothing

 "About the conference, is there something I should know?"

 "Master Julius, you worry too much. I know Hidros declared war, but still, we have time to relax."

 "Serene, cutting corners at this moment isn't viable. I saw brother with the emperor earlier and I heard about King Ezel and king Juvey, what is happening?"

 "It will all be explained," journey climbed tension-filled stairways and through darkened halls of murmurs and whispers. Soft tones and sudden silence, a dance he all but drew attention towards. 'Retainers are acting a little weird. The place feels empty even if I know there are more present. What's going on?' Serene's guided tour landed at large golden-rimmed barriers. 

 "Meeting place?" he inquired, she nodded. A brief pause to inhale followed by a click. The rectangular slabs parted to a silent interior. The sound of flowing liquid caught their attention, "-what's this?" he looked around, "-did we miss the room?"