Use Underway

Use Underway is a special stance available to Dwarfs, Greenskins and Skaven armies that allows them to travel through the Underway, underground.

This stance is similar to Use Worldroots and Use Beast-Paths.

Effects

 * Allows passage under mountains and deep forest terrain which are otherwise impassable.
 * Allows army to essentially ignore zone of control of enemy armies, hordes and settlements.
 * Chance of being intercepted by the enemy, initiating an Underway intercept battle.
 * Army becomes immune to most kinds of attrition, including that caused by corruption.