Era of Chaos: Emblems. All you need to know!

[@photogonboard]

I have 5 orange Chaos emblem, but I cannot cast it, can someone explain me why?

[@MANDMK]

Are they all the same? E.g 5 angers for example

[@pytalet5750]

Uhhhh
Ok...

[@wilsonlim1390]

Don’t understand u at all