I think impalement is the most fascinating. One difference is taht with crux, you could be saved until almost the last minute and live on. That actually happened on a few occations in the roman empire. Once the stake penetrates and start to make it up the body, the victim is doomed, at least if...
Just post a couple of more darwings I made. Thought about doing a couple again after quite some time not drawing anything. Anyone else interested in these kind of scenes? Do not hesitate to drop a message if interested :)