Complex sentence: Unable to return to the Fair Realm until they find the last remaining gate, the protagonist, Tahquil, along with her friends Caitri and Viviana, vow to find the gate and return to their homeland.
Split into simpler sentences: Unable to return to the Fair Realm until they find the last remaining gate. The protagonist, Tahquil, along with her friends Caitri and Viviana, vow to find the gate and return to their homeland.