Oh the irony...

holocaust
[hol-uh-kawst, hoh-luh-] / ˈhɒl əˌkɔst, ˈhoʊ lə- /
noun
a great or complete devastation or destruction, especially by fire.
Synonyms:
ravage, havoc, ruin, conflagration, inferno
a sacrifice completely consumed by fire; burnt offering.

Usually the Holocaust the systematic mass slaughter of European Jews in Nazi concentration camps during World War II.

any mass slaughter or reckless destruction of life.

https://www.dictionary.com/browse/holocaust