Battle of Plum Blossom Pass

The Battle of Plum Blossom Passn was a humiliating defeat of a Matsu army at the hands of a cavalry Utaku army in the Plum Blossom Pass. Legend of the Five Rings - Roleplaying, p. 133
== Afterbattle ==
Since that battle the Matsu favore the zanbatō, a dedicated anticavalry weapon which meaned “horse-chopping sword.” 
Plum Blossom Pass