Complex sentence: Completely vulnerable and symbolically naked, Usagi offers Galaxia forgiveness, and through this effort is able to heal her; she uses the Silver Crystal to purify Galaxia's body and drive out Chaos, returning the Golden Senshi to her true form.
Split into simpler sentences: Completely vulnerable and symbolically naked, Usagi offers Galaxia forgiveness, and through this effort is able to heal her. She uses the Silver Crystal to purify Galaxia's body and drive out Chaos, returning the Golden Senshi to her true form.