Board Thread:Questions and Answers/@comment-69.145.30.122-20161230002538/@comment-33638727-20190326190656

will think of it like this

first the people who live in the tower (outer tower, middle are inner tower) they are all chosen by Headon while the irregular (unchosen)are people who live outside the tower (the place where air exist and stuff) and they are chosen by the tower itself, the tower will bring the gate in front of them and they will open it themselves like how the gate is shown in front of baam and he opened it (by mistake) Rachel who was between baam and the gate fell to inside the tower

that is why

while baam count as regular irregular (chosen unchosen) rachel will count as irregular irregular (unchosen unchosen )