Complex sentence: Crash and Cortex later face and defeat Uka Uka, and is ultimately convinced by his brother Aku Aku to help him defeat the Twins, but they are easily defeated by the evil duo.
Split into simpler sentences: Crash and Cortex later face and defeat Uka Uka, and is ultimately convinced by his brother Aku Aku to help him defeat the Twins. However, they are easily defeated by the evil duo.