Complex sentence: Jacintha's complicity with Samantha was later revealed, she is Lia, transformed into a hybrid, and together they planned to thwart Supremo's plans by destroying or weakening his powers.
Split into simpler sentences: Jacintha's complicity with Samantha was later revealed. She is Lia, transformed into a hybrid, and together they planned to thwart Supremo's plans by destroying or weakening his powers.