Slaying (noun)

The act of killing someone or something, especially in a violent or sudden way.

Origin:

From slay +‎ -ing.

Examples:

1. The slaying of the dragon was celebrated in a great feast.
2. The slaying of the king was a turning point in the war.
3. The slaying of the deer was necessary for the survival of the tribe.
4. The slaying of the monster was the hero's greatest accomplishment.
5. The slaying of the lion was the crowning achievement of the hunter's career.