Editors may require you begin the blurb with its most important part, variously called the LEAD, GRABBER, or TEASE. That might be the main CHARACTER. That would change the above one-sentence LOGLINE to the following.
"VAMPIRE JOHN LENNON in magic-plagued Liverpool tries to create a musical career while fighting his worst urges."
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You can expand CHARACTER SETTING PLOT into a few short paragraphs. (In the following SETTING is implied rather than stated.) Leave readers remembering the central conflict by ending with it.
The order of the following paragraphs is CHARACTER CHARACTER ACTION CONFLICT.
"Annalisa King knows she's adopted, and never thought much about that fact. But on her 18th birthday her parents tell her that her birth parents were from a far star.
They pass on to her three presents: a tiara, a suit, and a car. From a super-advanced civilization, each has almost magical powers.
Anna learns to use those powers and her wits to help others, first as a Marine Ranger, then as a covert crime fighter and guardian of the helpless everywhere.
But duty even for an invincible hero has costs. Is she willing to pay the ones demanded of her?"