Complex sentence: Thara attempts to subdue Jax-Ur and the false deity but even in her Flamebird form is overpowered all the while Chris is helpless once more stuck in the phantom zone-banished there by Jax-Ur.
Split into simpler sentences: Thara attempts to subdue Jax-Ur and the false deity but even in her Flamebird form is overpowered. Meanwhile Chris is helpless once more stuck in the Phantom Zone, banished there by Jax-Ur.