January 25, 2013 Patch

{{Patch layout
 * source = http://store.steampowered.com/news/9833/
 * source-title = Dota 2 Update - January 25th, 2013
 * before = 2013-01-24
 * after = 2013-01-31


 * notes =
 * Updated the icons for the new {{H|Warlock}} and {{H|Lone Druid}} sets.
 * Fixed units not pathing around invisible enemies.
 * Fixed stolen Berserker's Rage icon.png Berserker's Rage not restoring the original attack type on death.
 * Fixed for LP mode not limiting 40 heroes.
 * Fixed Battle Trance icon.png Battle Trance affecting units like {{U|Spirit Bear}}.