Fenrir

Fenrir is a keychain for of Sora's Keyblade.

After defeating Sephiroth in the Radiant Garden, Sora witnesses a battle between Cloud, Sephiroth, and Tifa. After Sephiroth and Cloud fly away into a duel, Tifa thanks Sora for his help and gives him the Fenrir keychain. It is the KHII equivalent of the Metal Chocobo

The Fenrir Keyblade takes on the appearance of a pin tumbler lock key, with bandages adorning the handle. It is one of the longer Keyblades.

Despite the passive ability of Negative Combo, the Fenrir Keyblade makes it up for it's high attack power. It is also considered to be the strongest Keyblade available, second only to Ultima.

Stats

 * Attack: 7
 * Magic: 1
 * Ability: Negative Combo
 * Effect: Maximum number of air and ground combos is reduced with 1.
 * Keychain Motif: The same ornament on Cloud's jacket in Final Fantasy 7: Advent Children

Background
Fenrir is named after the motorcycle ridden by Cloud in Final Fantasy VII Advent Children, which is in turn named after the wolf-son of the Norse god, Loki.