Complex sentence: The villagers, one of which is the girl he saved from being raped, revives him, revealing that their wealth comes from a damaged alien "dragon" with greatly advanced technological knowledge such as the nanotechnology used to enhance the resistance movement.
Split into simpler sentences: The villagers, one of which is the girl he saved from being raped, revives him. They reveal that their wealth comes from a damaged alien "dragon" with greatly advanced technological knowledge such as the nanotechnology used to enhance the resistance movement.