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Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
When the Númenóreans broke the Ban of the Valar — the deities forbade the Men of Númenor from sailing too far west from the island — Eru Ilúvatar, the Creator and supreme deity of Arda, punished them by drowning the island.
Source: https://gamerant.com/lotr-what-caused-downfall-of-gondor/