It works if you remove the i. from the start of the address.

I'd say cr, a few monsters are "off" for their cr. Succubi, witchfires etc. But most the time it's more that pcs may not be up to the challenge because it's possible to play or build chars badly. Also how much the players decide to put themselves into tactical cooperation. There's a lot of factors.

Also dragon girl in picture pleases me. Hurray for dargon harpies.