Item Upgrade levels Number of Slots Epic Availability Sub Epic Top Epic
Upgrade Core (High)          
Force Core (High)          
Epaulet of Guardian +7          
Epaulet of Fighter +7          
Epaulet of Sage +7          
Familiar Mineral          
Formula Card No.80 Astral Core (Mithril)          
Formula Card No.100 Astral Core (Blue Mithril)          
Formula Card No.56 C.A Unit          
Slot Extender (High)          
Flame Disc (Lv4)          
Dark disk (Lv4)          
Holly disk (Lv4)          
Air Disc (Lv4)          
Thunder Disc (Lv4)          
Bloody Disc (Lv4)          
Earth Disc (Lv4)          
Aqua Disc (Lv4)          
Soul Disc (Lv4)          
Shape Cartridge (Sword / Lv4)          
Shape Cartridge (Armor Set / Lv4)          
Shape Cartridge (Battle Set / Lv4)          
Shape Cartridge (Martial Set / Lv4)          
Shape Cartridge (Artifact / Lv4)          
Epaulet of Guardian +8          
Epaulet of Fighter +8          
Epaulet of Sage +8          
Upgrade Core (Highest)          
Force Core (Highest)          
Slot Extender (Highest)          
SIGMetal Epaulet of Guardian +7          
SIGMetal Epaulet of Fighter +7          
SIGMetal Epaulet of Sage +7          
Bike Upgrade Kit (Low)          
Bike Upgrade Kit (Medium)          
Topaz Orb 0-5 0-2 yes   1
Mithril Orb 0-5 0-2 yes   1
Topaz Crystal 0-5 0-2 yes   1
Mithril Crystal 0-5 0-2 yes   1
Redosmium Katana 0-5 0-2 yes   1
Mithril Katana 0-5 0-2 yes   1
Redosmium Blade 0-5 0-2 yes   1
Mithril Blade 0-5 0-2 yes   1
Redosmium Daikatana 0-5 0-2 yes   1
Mithril Daikatana 0-5 0-2 yes   1
Redosmium Great Sword 0-5 0-2 yes   1
Mithril Great Sword 0-5 0-2 yes   1
Shineguard Plate (WA) 0-5 0-2 yes   1
Shineguard Plate (FS) 0-5 0-2 yes   1
Mithril Plate (WA) 0-5 0-2 yes   1
Mithril Plate (FS) 0-5 0-2 yes   1
Teragrace Coat (FB) 0-5 0-2 yes   1
Teragrace Coat (FA) 0-5 0-2 yes   1
Mithril Coat (FB) 0-5 0-2 yes   1
Mithril Coat (FA) 0-5 0-2 yes   1
Mystic Suit (BL) 0-5 0-2 yes   1
Mystic Suit (WI) 0-5 0-2 yes   1
Mithril Suit (BL) 0-5 0-2 yes   1
Mithril Suit (WI) 0-5 0-2 yes   1
SIGMetal Orb 0-5 0-2 yes   1
SIGMetal Crystal 0-5 0-2 yes   1
SIGMetal Katana 0-5 0-2 yes   1
SIGMetal Blade 0-5 0-2 yes   1
SIGMetal Daikatana 0-5 0-2 yes   1
SIGMetal Great Sword 0-5 0-2 yes   1
SIGMetal Plate (WA) 0-5 0-2 yes   1
SIGMetal Plate (FS) 0-5 0-2 yes   1
SIGMetal Coat (FB) 0-5 0-2 yes   1
SIGMetal Coat (FA) 0-5 0-2 yes   1
SIGMetal Suit (BL) 0-5 0-2 yes   1
SIGMetal Suit (WI) 0-5 0-2 yes   1