Dota 2 update for May 27, 2018

The following changelog has been automatically generated from GameTracking data.

Abilities

• Ice Shards: Changed ability cooldown from 21.0/18.0/15.0/12.0 to 23.0/20.0/17.0/14.0
• Ice Shards: Changed shard duration from 3/4/5/6 to 4/5/6/7