Complex sentence: In the film's climax, Blackbeard and Barbossa engage in an intense battle at the Fountain of Youth, with Barbossa ultimately stabbing Blackbeard with a poison-laced sword and Angelica accidentally cutting herself on the sword when trying to remove it from her father.
Split into simpler sentences: In the film's climax, Blackbeard and Barbossa duel at the Fountain of Youth. Barbossa stabs Blackbeard with a poison-laced sword, and Angelica accidentally cuts herself when trying to remove it from her father.