But as the sea continued to rise, Trentren had to order the hills to increase in height to counteract the power of Caicai. Angry, Caicai began to fight against Trentren in a titanic battle that lasted a long time, until both snakes were tired. Caicai was partially defeated as he wasn't able to flood all the land, however, the waters did not return completely to their old level, giving Chile its current geography.
As the sea continued to rise, Trentren had to command the hills to grow higher to counterbalance Caicai. Enraged, Caicai initiated a prolonged battle against Trentren that lasted for many years until both were exhausted. Despite being partially defeated and unable to flood all land completely, the waters did not return to their original level, thus forming Chile's current geography.