Quote Originally Posted by Dusk Eclipse View Post
I want to try my hand at homebrewing monster classes, and I want to try and do the Concordant Killer (MM IV), it is a CR 19 Outsider, so I am going to ask, do you think it is a big project fot a newbie to this?

I haven't read the entire thread, so if someone is already doing this, please tell me and I will find another critter to homebrew.
I don't think anybody is doing this. Go ahead with it. I'm a newbie and my monsters are CR 20, CR 20 and CR 15 respectively.