Mitsu Otoko Rengo Heigen

Three Man Alliance
The Three Man Alliance Plain was where the joint efforts of the Wasp, Fox and Sparrow clans defeated a Scorpion army. This was an unprecedented display of power and independance among the minor clans.

Location
The plain is situated on the borders of the four clans involved in the battle.

Major References

 * Legend of the Five Rings: Third Edition Page 305