He joins up to help Vahn get to one of the Genesis trees, but they arrive too late and the tree has died.
Tragically though, one day a great mist appeared. Once merged with a Seru, the human gained unimaginable powers such as super strength, magic, and in some cases the ability to fly. The Seru were magical creatures that resembled the likeness of precious stones, and when a human came in contact with one, they merged. To aid the humans, God gave them a powerful aid - the Seru. Soon, the humans were on the verge of being wiped out forever. Even though man was created in God's image, and had His spirit, they were much weaker than the many beasts and animals that were spread amongst the world.
He then created humans to rule over the world and all its inhabitants.