The Great Helm is a cylindrical metal helmet with brass trimmings and and two horizontal slits for the eyes. It is available in Character Creation for Soulcalibur IV and Soulcalibur V.
Soulcalibur IV[]
This Head Equipment raises Impact by 10, Defense by 5, and HP by 30. It can be bought for 1,800 Gold after earning 10 Honors/Achievements.
Soulcalibur V[]
This Head Equipment is available at the start of the game.