Summarize this article:

This weapon has the unique ability Combo Boost; this lets you do more damage the longer your combo gets. This adds 3 points to Sora's strength. This gives Sora +25% damage reduction to all elements. Damage from all elements are reduced. These are essential in the battle in case you need to restore HP and MP.

Summary:
Use Decisive Pumpkin. Have Full Bloom+. Have High Ribbon. Have Ribbon. Collect lots of Ethers and Elixirs.