Frost Armor
Creates a shield of frost around a target friendly unit. The shield adds armor and slows attacking melee units for 2 seconds.
Lasts 40 seconds.
Level 1 - Adds 3 armor.
Level 2 - Adds 6 armor.
Level 3 - Adds 9 armor.
Level 4 - Adds 12 armor.
Cooldown: 5 seconds.
Level 1 - 25 mana, 800 cast range, Slow lasts 2 seconds (3 on creeps).
Level 2 - 25 mana, 800 cast range, Slow lasts 2 seconds (3 on creeps).
Level 3 - 25 mana, 800 cast range, Slow lasts 2 seconds (3 on creeps).
Level 4 - 25 mana, 800 cast range, Slow lasts 2 seconds (3 on creeps).
Notes :
* The shield lasts for 40 seconds while the slow lasts for 3 seconds on creeps and 2 seconds on heroes.
* Frost Armor slows melee attackers' movement speed by 30% and attack speed by 20%.
* If on Autocast, Lich automatically uses this skill to a nearby attacked allied unit.
* The slow on enemies can't be removed by Purge.
* The the buff on allied units can be removed by Purge.