Legendary

Why these tropes fit

Tella Dragna re-enters the magical Caraval tournament on a quest to uncover the hidden true identity of its master, Legend, to fulfill a desperate bargain with a criminal and protect her sister. The high-stakes game demands sacrifice as she navigates a doomed love story with a murderous royal heir, hidden family secrets, and the lingering shadow of her sister's past disastrous arranged marriage.

Evidence from the source

• Arranged Marriage: “saved her sister Scarlett from a disastrous arranged marriage.” source
• Hidden Identity: “what Tella owes him no one has ever been able to deliver: Caraval Master Legend's true name.” source
• Sacrifice: “Caraval has always demanded bravery, cunning, and sacrifice. But now the game is asking for more. If Tella can't fulfill her bargain and deliver Legend's name, she'll lose everything she cares about--maybe even her life.” source
• Tournament: “The only chance of uncovering Legend's identity is to win Caraval, so Tella throws herself into the legendary competition once more” source
• Strong Heroine: “Donatella Dragna has finally escaped her father and saved her sister Scarlett from a disastrous arranged marriage” source
• Quest: “The only chance of uncovering Legend's identity is to win Caraval” source
• Tragic Romance: “into the path of the murderous heir to the throne, a doomed love story, and a web of secrets” source

Metadata source: Google Books. Quotes are used only to verify the tags.