Strait of Wings

Strait of Wings is the Material Guerrilla stage that features Aliens, Metal and Floating enemies. By clearing any of these stages, you have the chance to obtain Feathers, Sprockets or Gold.

List of Levels

 * Ancient Ruins (Normal)
 * Ancient Ruins (Veteran)
 * Ancient Ruins (Insane)

Reference

 * http://battlecats-db.com/stage/s01152.html