Kojūrō Katakura/Weapons

Rare Weapon Acquisition

 * Stage: Battle of Hasedō (Legend of Tōhoku)

Fourth Weapon Acquisition

 * Stage: Conquest of Odawara

Fifth Weapon Acquisition

 * Requirements: Obtain fourth weapon, then buy from the Castle Mode shop for 20,000 points.

Rare Weapon Acquisition

 * Stage: The Osaka Campaign (Story of Lord and Retainer)