Did this cortunix egg stop developing?

[WalnutTree]

My eggs were on their 11-12th day in the incubator and the rest were completely black already.
Did i kill off a live embryo?

I can post a picture of the embryo that fell out of the egg when i broke it open.

 

[mcdze]

looks pretty rough man, no, no need for graphic chick mutilation pics lol .... whats the 'good' ones lookin like?

 

[WalnutTree]

@mcdze Lol..
Good ones were completely dark