Each time an ice shard damages an enemy, it decreases the target's defense against ice towers. The target takes 15% more damage from attacks of ice towers. The effect lasts until the creep's death and stacks.
Level Bonus: +0.4% damage increase
Ice Shard
This tower fires an ice shard towards an enemy. After a distance of 300 the ice shard splits into 2 new shards which will split again. If a shard collides with an enemy it deals 2280 spell damage. There is a maximum of 4 splits.