Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
Legendary is regular. It follows the -ies Conversion rule.
Use plural verbs: "The legendaries are ready" (not "is ready").
Yes. The plural legendaries is standard across all English variants.
The word legendary follows the standard English pluralization rule. When forming the plural, legendary becomes legendaries. This follows the -ies Conversion pattern, which is one of the most common plural rules in English.
Understanding why legendary becomes legendaries helps with spelling and pronunciation. Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
When using legendaries in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The legendaries are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.