Complex sentence: The story picks up after the end of the Lord of Terror fiasco, and due to the troubles, the system has lost some valuable information within the Goddess Assistance Agency... namely Keiichi's wish !
Split into simpler sentences: The story picks up after the end of the Lord of Terror fiasco. But due to the troubles with the Lord of Terror, Yggdrasil has lost some valuable information within the Goddess Assistance Agency... namely Keiichi's wish!