Dilo
Getting inside his room with Dilo. He found that room was not so big or small with a length of 5meter and breath of 3meters with a bed, book selves full of books,wardrobe, bathroom toilet and two chairs on to side of windows.
For the ventilation they have used air attributes magic orb to circulate air from outside and magic lamps to lighten the room which can on and off, just like in academy.
Aside from the Kai also notice that this room is a portable cultivation room and there is a door on the left side and on openning it. He found it's leads to a narrow path so that one person can reach other rooms.
David told them that they will get food in dinning room which is in the middle of all rooms with a attached meeting room and cooks room.
While train driver room is attached with the control room.