Breakdown of J'ai créé quelque chose d'épique.
je
I
avoir
to have
de
of / from / any (in negative sentences) / about (concerning)
quelque chose
something
Questions & Answers about J'ai créé quelque chose d'épique.
Why is there a d' before épique? Shouldn't it just be quelque chose épique?
In French, when you describe indefinite pronouns like quelque chose (something), rien (nothing), or quelqu'un (someone) with an adjective, you must connect them using the preposition de. Because épique starts with a vowel, de drops its vowel and becomes d'.
Does the adjective after quelque chose de ever change to match the gender of the "thing" you are talking about?
No, it remains invariable. Adjectives following quelque chose de, rien de, or quelqu'un de must always be in the masculine singular form. Even if you are referring to an inherently feminine concept, the grammar rule demands the masculine singular. While épique happens to look the same in both genders, this rule is vital to remember for adjectives that change, like using quelque chose de beau (never belle).
Why are there two accented é's at the end of créé?
The infinitive of the verb is créer. To make the past participle for the passé composé, you remove the -er and add -é, exactly like you do with manger to get mangé. Since the verb stem itself is cré-, adding the regular past participle ending results in créé.