Some codes open up new player icons, but most of them gives you a new ghost card which you can fight against, and those ghosts have items that you cannot get via normal gameplay, especially one-of-a-kind accessories.
Excalibur II is the ultimate weapon for an EX Build. It's a LVL 100 sword, that gives you a +100% exo in battle. Combining that with exp to Ex ability, then one HP attack will boost your EX to full xD
Current PC Build
CPU - i7 8700K 3.7 GHz (4.7 GHz turbo) 6 cores OC'd to 5.2 GHz with Watercooling (Hydro Series H110i) | MB - Gigabyte Z370 HD3P ATX | Gigabyte GTX 1080ti Gaming OC BLACK 11G (1657 MHz Boost Core / 11010 MHz Memory) | RAM - Corsair DIMM 32GB DDR4, 2400 MHz | PSU - Corsair CX650M (80+ Bronze) 650W | Audio - Asus Essence STX II 7.1 | Monitor - Samsung U28E590D 4K UHD, Freesync, 1 ms, 60 Hz, 28"
