Then there is Erika,personification of a possible survivor and chances to take a glimpse into the cat box.So,she is trying to expose the truth to make the miracle of her surviving become possible and Bern would help her revive.
Dlanor is personification of human 's logic enforcement and deny the possibility of magic and enforce the mystery of Rokkenjima.She is helping Erika to reach the mystery truth.
The witch of theater-going,Aurora is a witch ALMOST having the same power as creator.I think she doesn't have a true form and she is just borrowing the image from 'certain someone' that we know
.She want to ease from her boredom and she also discover the gameboard that Bern and Lamda is playing.So,she also involve herself in the game.
Lion is another possibility that Bern brought into the game from another Kakera(bigger cat box) that Beato couldn't reach.Well,she is the witch of miracle,so she can access more kakera than Beato.And in EP8,because his/her existence had been visualize in golden land ,he/she can also assisting in defending golden land.Will make it possible
Will,is a personification of hoping a happy ending in mystery(like all of us
),are being brought in and the happy ending dreams being crushed by Bern(Damn you,Bern!!)Like Lion,his existence also being confirmed and can protect golden land.
The goats is human's collective conscious of human and didn't have a proper form(human figure)because they didn't have a proper goal and theory to deduce.In EP2 and 4,the goats are being shown as believe witch 's existance.But as human begin thinking in logic,the goats are try to devour the kakera that had proper truth(cat box) and attack the golden land.
Ange are also brought in with her death by Bern.Ange,as the sole survivor can see truth(kakera) of the worlds,she can send her hearts to other kakera and hoping a satisfied ending and truth.Battler who had reach the truth try to make Ange 's swaying hearts/soul move forward into the future and don't look back to the kakera to avoid eternal pain..