The evil church is a bit overdone yes. However...
I find it interesting that the cardinal is so fanatic that he HONESTLY believes he's doing the right thing. I 'm not speaking of the pope or the rest of the churchmen, but the cardinal is not corrupt. Fanatical is a more fitting word.
Doesn't change that he's a piece of shit of course.
This manwha still surprises me sometimes, at how brutal it can truly be. The last scene is frankly a lot more brutal than any amount of gore, because it lets the reader imagine just how bad it can be, and that's worse than graphical violence. Most likely, they chopped her up in tens of pieces