Ultima Keyblade

Ultima Weapon is a keychain for Sora's Keyblade which appears in Kingdom Hearts, Kingdom Hearts: Chain of Memories, and Kingdom Hearts II. It is the Sora's most powerful keychain, and requires the most effort to obtain in all three games. Unlike other keychains which appear multiple times, the Ultima Weapon's appearance differs between games. In Kingdom Hearts it is the strongest Keyblade in terms of strength and MP, but in Kingdom Hearts II it is second in strength to the Fenrir and second in magic to the Fatal Crest. In Kingdom Hearts II: Final Mix, it is third in magic to Winner's Proof. However, its MP Hastega ability is much more useful in normal combat than the abilities attached to these other keyblades, making it the most efficient weapon in the game. The Kingdom Hearts version of the Ultima Weapon is actually the Dream Sword in ornate gold filigree in a pattern slightly reminiscent of fish bones. The teeth of the blade are a golden version of the crown charm Sora wears, and the keychain token, attached to the blade by shimmering thread, is a gilded heart, used throughout the series to refer to a complete being, instead of a Heartless or Nobody. The Kingdom Hearts II version has, as the blade, the II (like the one in the title screen) with a small crown - similar to Sora's necklace - near the top, covered in a spine-like pattern that, at the top, resembles a heart. On the bottom of the II - not in the handle - is a small heart , possibly referencing the fact that Sora became a Heartless. On the handle, there are two crowns on the protector. The key's teeth are a goldish heart with a crowm at the top. The keychain has three crowns and, as the motif, a heart with a crown on its top (like in the teeth). In short, it retains most of its Kingdom Hearts version elements, except for the colors (blue, white and gold) and the crown-and-heart keychain.