Here is the full list of all 10 The Cradle of Ruin achievements.
「The End of The Unfavoured」clear
「The Tender Cradle」clear
「The Last Supper」clear
「Dying North Land」clear
「Demon in the Garden」clear
「Wing of hope」clear
「The dream of fetus」clear
「You killed me!！」clear
Get title「Conquerer of Ammonia」
Get title「Pillow Sommelier」