havoc (noun)

1. In the final chapters of the novel, the protagonist's actions unleash havoc upon the peaceful town.

2. According to Norse mythology, the mischievous Loki often caused havoc among the gods with his tricks and deceit.

3. The Great Flood in the Bible brought havoc upon the Earth, causing destruction and chaos.

4. During World War II, bombings and invasions created havoc in cities across Europe.