Learn Spanish (Latin America): El superhéroe está somnoliento, ya derrotará al villano. - The superhero is sleepy, he will defeat the villain later.

When you combine ya with a verb in the future tense (like derrotará), it stops meaning "already" and instead pushes the action to an unspecified time in the future. It acts as a reassurance, implying: "Don't worry, he will get around to doing it eventually."

What if I drop the ya and just say derrotará al villano? How does the meaning change?

Without ya, the sentence simply states a factual prediction: "he will defeat the villain." Adding ya softens the statement, removing the urgency. It tells the listener that the hero's current drowsiness isn't a problem because the defeat is guaranteed to happen in due time.

Would a native speaker actually say está somnoliento for "is sleepy"?

In everyday conversational Spanish, it's much more common to hear tiene sueño (literally "has sleep"). Somnoliento translates closer to "drowsy"; it is a bit more descriptive and literary, which fits perfectly when narrating a story about a superhero. Notice that because somnoliento is an adjective, it requires estar, whereas the noun sueño requires tener.

Why do we use al before villano instead of just el?