The Japan-only "Xtreme Legends" expansion of Samurai Warriors 3 for the Wii. It features Koei's Mixjoy system to import save data and continue story modes for characters within the expansion. It was released alongside the PlayStation 3 port Sengoku Musou 3Z, which included most of the content found in the original Wii release and its expansion.
- Importation of save data from Samurai Warriors 3
- Three new characters with story modes
- Story modes for seven characters previously lacking one
- Updated character art assets
- Two new difficulty levels, essentially easy and hard
- Two new modes: Challenge and Original Career
- Local and online multiplayer for Murasame Castle mode