Frost Nova

Frost Nova
Tier 1
Requires Mage
Min Level 100
Research: 2 hrs / 50 
Enables the Frost Nova ability, which increases the success chance of the first mission you send each day by 10% if that mission has Minions.

Garrison Ability

Frost Nova
Increases success chance of missions with Minions by 10%.
 Counters: Minions