Orichalcum is one of Sophitia's weapons in Soulcalibur III and Soulcalibur IV, and her ultimate weapon in Soulcalibur II. It can be bought in Character Creation for 7,000 Gold after completing Story Mode with Sophitia. It is weapon made from orichalcum, a mysterious metal said to have been used by the people of the lost continent of Atlantis. Atlantis vanished in the far distant past, and there is no one left in the present day who knows how to forge it. It is said to be the world's strongest metal.
This set returns in SoulCalibur:Lost Swords and are for Sophitia's and Pyrrha's use as one of their premium weapons.