Moonflow
They seen shoopuffs, (a big elephant) they helped you crossed the water.
They rode the shoopuff and they talked among each other. Some Al Bhed grabbed Yuna, and went into the water.
Wakka and Tidus went after her, and Wakka said "We will save you Yuna." She was trapped in a bubble above the machnia's head.
They dispatched the enemy and rescued Yuna. Made it across the water and Tidus seen a girl along the bank.
She looked like she was sleeping, Tidus went over to her and realized her, it was Rikku. Tidus introduced Rikku to the party and they accepted her along for the journey.
They are heading towards Guadosalem.