|Dates are from the Isawa Calendar|
|Centuries:||4th century - 5th century - 6th century|
|Years:||399 400 401 - 402 - 403 404 405|
- The Snake Clan is possessed by a Shuten Doji and subsequently destroyed by the Phoenix Clan.
- Isawa Tsuneo tracks the Shuten Doji down and bind it to his own tomb.
- The new Yasuki Daimyo Yasuki Kaname visits Clear Water Village on his way to Kyuden Hida.
- Yasuki Kaname meets with the Crab Clan Champion Hida Tsakura.
- Construction on new walls surrounding Clear Water Village begins.