Goddess' Blessing is a generic breastplate with a clothed symbol on both front and back of the armor. It made an appearance as part of Sophitia's bonus costume in Soulcalibur III, and became equipment available for female characters in Character Creation for Soulcalibur IV and Soulcalibur: Broken Destiny.
Originally named Blessed Armor
This Upper Body equipment raises Impact and Special by 35, Defense by 40, and HP by 10. However, it also decreases Attack by 15. It was made available as part of the Customization Equipment 1 DLC, which contains the equipment of various characters from previous games (Astaroth, Yoshimitsu, etc.). This package costs $1.25 on the official Microsoft/Xbox website.
Soulcalibur: Broken Destiny
The Goddess' Blessing is available at the start of the game.