My word is sacrifice. Okay it was a bad idea to look up “sacrifice” on Google images. There were tons of gruesome pictures, but the first photo isn’t too bad.
Murder, eating dead bodies, self-castration. Nothing but ancient rituals. But I sure am glad I live in the modern world. People from ancient societies would practice rituals like these for some different reasons, but a main reason is for punishment. If somebody in their society broke the rules/laws, or did something unjust then they would be punished. Often they would be a sacrifice, like the picture above. This picture isn’t a really picture so it doesn’t have a specific story, but people would often be sacrificed like this. They would be taken to a sacrificial pedestal. From this pedestal there could be plenty of witnesses to the sacrifice, and plenty of people to help with the sacrifice.
This isn’t an actual photograph, but I think that is acceptable due to the gruesomeness that a real photo would portray. And I couldn’t find any photographs of a sacrifice. That is probably because in modern times sacrifices are illegal.