Please refer to Blacksmith Pushkin in the Town of Giran to exchange a common item of S-grade and Dynasty for a rare item. S-Grade: To exchange an Upper Armor piece, you need: 5 S-grade Spheres. To exchange Helmet, Upper Armor and Lower Armor piece, you need: 3 S-grade Spheres. To exchange Gloves, and Boots, you need: 2 S-grade Spheres. To exchange Shields, Sigils, Accessory, you need: 1 S. To exchange Weapons, you need: 4 S-grade Spheres. Dynasty: To exchange an Upper Armor piece, you need: 5 S-grade Spheres. To exchange a Helmet and Lower Armor, you need: 4 S-grade Spheres. To exchange Gloves, and Boots, you need: 3 S-grade Spheres. To exchange Shields, Sigils, Accessory, you need: 2 S. To exchange Weapons, you need: 5 S-grade Spheres.