New Alliance Unit... The Infiltrator

Introducing the first new unit of the Alliance... The deadly Infiltrator.
Infiltrators are a select group tasked with protecting the Alliance, whether from the attacks of the Horde or by those who would attempt to shatter it from within by manipulating internal rivalries. The infiltrator is a manipulator, a charmer and a spy who wears her weapons hidden beneath fine clothing as she dives into the dark waters of politics, diplomacy and intrigue.

Infiltrators are female humans armed with deadly longswords and fight in melee combat. However, their real usefulness does not lie in their melee fighting ability but their espionage and assassination skills. Their abilities include cloak of invisibility (allows them to turn invisible but takes up mana so long as they remained cloaked), snipe (can only be used on non-mechanical ground units who are stationary. The Infiltrator will require some time to aim her shot at the unit's vital organs in order to score a kill. The more HP a unit has, the longer it would take an Infiltrator to get her aim straightened out), snare (places an invisible snare on the ground that explodes if any enemy unit should wander nearby, dealing massive damage) and finally the deadly infiltrate ability. This allows an infiltrator to enter an enemy building. If it is a production building, the infiltrator will learn secrets about units being produced at that building which would allow all allied units to do more damage against those type of units. If it is a building that allows for upgrades, then the infiltrator sets the enemy back one level of upgrade by sabotaging it. This requires the player to pay half the cost of the upgrade that is going to be sabotaged. Infiltrators can leave the buildings once their work is done.